🔧 Melhores Angle Grinders 2025 🔥 Em alta

Compare the best angle grinders with expert reviews and ratings.

Última atualização: 21 de dezembro de 2025 👁️ 3 vendo agora

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Rachel Foster
Revisado por Rachel Foster editor colaborador
# Product Price Rating Reviews Action
1
$32.99
★★★★★
4.6 / 5
2,027 View Deal
2
$39.99
★★★★★
4.6 / 5
562 View Deal
3
$97.55
★★★★★
4.7 / 5
6,577 View Deal
4
$47.00
★★★★★
4.6 / 5
4,890 View Deal
5
$39.99
★★★★★
4.5 / 5
6,046 View Deal
6
$30.59
★★★★★
4.6 / 5
817 View Deal
7
$89.00
★★★★★
4.6 / 5
2,243 View Deal
8
$49.00
★★★★★
4.6 / 5
7,481 View Deal
9
$109.00
★★★★★
4.8 / 5
3,933 View Deal
10
$163.95
★★★★★
4.8 / 5
9,137 View Deal
11
$38.69
★★★★★
4.7 / 5
372 View Deal
12
$22.99
★★★★☆
4.2 / 5
100 View Deal
13
$47.40
★★★★★
4.6 / 5
2,768 View Deal
14
$26.12
★★★★★
4.5 / 5
1,140 View Deal
15
$110.67
★★★★★
4.7 / 5
6,761 View Deal
16
$132.50
★★★★★
4.6 / 5
1,328 View Deal
17
$29.99
★★★★★
4.5 / 5
50 View Deal
18
$31.11
★★★★★
4.5 / 5
1,938 View Deal
19
$34.99
★★★★☆
4.4 / 5
1,850 View Deal
20
$49.99
★★★★★
4.6 / 5
184 View Deal

Detailed Reviews

#1

SKIL 9295-01 6.0 Amp Moedora de 4-1/2 polegadas

by Skil
SKIL 9295-01 6.0 Amp Moedora de 4-1/2 polegadas Amazon's Choice
$32.99
★★★★★ (4.6)
2,027 avaliações

Nossa opinião

The Skil 9295-01 6 Amp Angle Grinder is designed for efficiency and durability, featuring a powerful 6.0 Amp motor that reaches speeds of up to 11,000 RPM, perfect for a range of grinding applications. Its heavy-duty metal gear housing ensures long-lasting performance, while the tool-less guard adjustment allows for quick and easy modifications. With a competitive price of $32.99 and a strong 4.6-star rating from over 2000 reviews, this grinder is an excellent choice for both professionals and DIY enthusiasts seeking reliability and value.

Principais características
  • Powerful 6.0 Amp Motor with 11,000 RPM
  • Tool-less guard for quick adjustments
  • Heavy duty metal gear housing for added ruggedness and durability
  • Compact grip design for comfort and control
Prós
  • Less guard for quick adjustments
  • Duty metal gear housing for added ruggedness and durability
  • 2" capacity for versatility
  • 4.6★ rating from 2,027 verified buyers
  • Amazon's Choice for value and quality
Contras
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"Pleasantly surprised again with Skil and the quality of the tool for the price. Does the same job and the more expensive brands if not better. Nice to have a quality tool without the extra cost for advertising."

— Amazon Customer
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#2

Moedora angular, 4-1/2 polegadas, cortador de ferramentas de 6,7 amp, 11.800 rpm...

by DCK
$39.99
★★★★★ (4.6)
562 avaliações

Nossa opinião

The KSM09-115S Angle Grinder features a robust 6.7 Amp motor that delivers speeds up to 11,800 RPM, making it ideal for a variety of heavy-duty applications. Its compact design and spindle lock enable quick wheel changes, enhancing efficiency during projects. Included are six discs and two safety guards, providing added value and ensuring user safety, making this grinder a reliable choice for both professionals and DIY enthusiasts.

Principais características
  • 6.7 Amp Motor & 11,800 RPM Higher Speed-The DCK angle grinder with a maximum output power of 800W, i...
  • Compact & Ergonomic Design-The metal grinder weighs only 4.4 lbs, the grip 7" circumference and fits...
  • Time-saving & More Convenient-The electric grinder with spindle lock allows for quick and easy grind...
  • Safer & More Durable-The corded angle grinder comes with 2 different types of adjustable safety guar...
Prós
  • The metal grinder weighs only 4
  • 7" capacity for versatility
  • 4.6★ rating from 562 verified buyers
Contras
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"Great, very inexpensive, well-built angle grinder. Product surpasses expectations. The grinder motor uses brushes instead of being brushless. It comes with a replacement set of brushes and several attachments that appear to be high quality. It does have a very powerful motor compared to my Mikita 4"..."

— Amazon Customer
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#3

Moedora de 4,5 polegadas, 11 amperes, 11.000 rpm, com interruptor de paddle, fer...

by DEWALT
Moedora de 4,5 polegadas, 11 amperes, 11.000 rpm, com interruptor de paddle, ferramenta de moedor de design compacto ergonômico (DWE402) Amazon's Choice
$97.55 $130.00
★★★★★ (4.7)
6,577 avaliações

Nossa opinião

The DEWALT 4.5 Inch Angle Grinder (DWE402) features a powerful 11 Amp motor that achieves 11,000 RPM, making it ideal for heavy-duty grinding and cutting tasks. Its ergonomic compact design ensures comfort during extended use, while the paddle switch offers enhanced control. Additionally, the integrated dust ejection system helps maintain tool performance by preventing debris buildup, making this grinder a reliable choice for both professionals and DIY enthusiasts.

Principais características
  • Plastic / Metal
  • Made in the USA or Imported
  • Next generation 11 amp AC/DC 11,000 rpm motor on the electric grinder provides the best power to wei...
  • Dust Ejection System; provides durability by ejecting damaging dust and debris particles that enter ...
Prós
  • 4.7★ rating from 6,577 verified buyers
  • Amazon's Choice for value and quality
  • Currently $32 off regular price
Contras
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"I have a smaller 4in Makita angle grinder that I've used for years. And while it's mostly gotten the job done, it's become increasingly more difficult to find all of the 4in wheels and brushes that are available for the slightly larger 4-1/2 in grinders. Finally I decided to buy the Dewalt Angle G..."

— Amazon Customer
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#4

Metabo HPT 4-1/2 polegadas rebarbadora, inclui 5 rebolos e estojo rígido, motor ...

by Metabo HPT
Metabo HPT 4-1/2 polegadas rebarbadora, inclui 5 rebolos e estojo rígido, motor de 6,2 amp, compacto e leve, G12SR4 Amazon's Choice
$47.00
★★★★★ (4.6)
4,890 avaliações

Nossa opinião

The Metabo HPT 4.5-Inch Angle Grinder, powered by a robust 6.2 Amp motor, offers reliable performance for demanding grinding tasks. This model includes five grinding wheels and a durable hard case, making it an excellent choice for both professionals and DIY enthusiasts. With a strong customer rating of 4.6 from nearly 5,000 reviews, it combines quality and value, ensuring you have the right tool for any project.

Principais características
  • INCLUDES 4 1/2" Angle grinder, five grinding wheels and a carrying case
  • MOTOR 6.2 Amp motor with 980W of max output power for tough grinding jobs
  • SPINDLE LOCK Spindle lock for quick and easy disc and accessory changes
  • SWITCH Left-mounted slide switch with quick-off feature for added safety
Prós
  • Mounted slide switch with quick
  • 2" capacity for versatility
  • 4.6★ rating from 4,890 verified buyers
  • Amazon's Choice for value and quality
Contras
  • Some note: but turning it off is quite easy
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"It's quite cheap for a name brand grinder. I've had it for a bit now and it's solid choice. The grinder is heavy in the hand, comes with wheels and a nice blow polymer case, and is ready to rock out of the box. People mention the switch being awkward, and it can be to turn on, but turning it off is ..."

— Amazon Customer
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#5

Moedora Avid Power Angle, 7,5 amp 4-1/2 polegadas Ferramentas elétricas com reti...

by AVID POWER
$39.99 $42.99
★★★★★ (4.5)
6,046 avaliações

Nossa opinião

The Avid Power Angle Grinder features a robust 7.5 Amp motor that delivers a no-load speed of 12,000 RPM, making it ideal for a range of cutting and grinding tasks. This electric grinder comes with essential wheels for enhanced mobility and includes a flap disc and auxiliary handle for improved control and precision. With a strong rating of 4.5 from over 6,000 reviews, it offers exceptional value and reliability for both DIY enthusiasts and professionals.

Principais características
  • NOTE DON’T use this grinder continuously for more than 30 mins, recommend 30 mins running time with ...
  • Powerful and Well-balanced Grinder Tool Equipped with 7.5 Amps motor with 900W max output power, thi...
  • Included Essential Wheels for Cutting/Grinding/Polishing Metal This electric grinder comes with 2 cu...
  • Side Handle for Added Control & Adjustable Safety Guard Side grinder weighs 3.64lbs, less fatigue & ...
Prós
  • Balanced Grinder Tool Equipped with 7
  • 2 inch capacity for versatility
  • 4.5★ rating from 6,046 verified buyers
  • Currently $3 off regular price
Contras
  • Not Prime eligible - shipping times may vary
  • Compare specs with alternatives before deciding
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"For the money, this grinder is a genuine value, especially with the extras you get with it. Probably the only downside is that it's corded, but that ensures good power. The quality is excellent, and it is comfortable to hold even at high speeds."

— Amazon Customer
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#6

Moedora de ângulos Dongcheng de 4-1/2 polegadas 6,7 amps interruptor de paddle 1...

by Dong Cheng
Moedora de ângulos Dongcheng de 4-1/2 polegadas 6,7 amps interruptor de paddle 11800rpm com ferramentas elétricas com corte e retificação, discos de aba, alça auxiliar para remoção de metal e ferrugem, amigável para iniciantes Amazon's Choice
$30.59 $35.59
★★★★★ (4.6)
817 avaliações

Nossa opinião

The DongCheng 4.5 Inch Angle Grinder is equipped with a robust 6.7 Amp motor, delivering an impressive 11,800 RPM for efficient cutting and grinding. This versatile tool includes cutting wheels and flap discs, making it ideal for various applications. With a dual guard system for added safety and a strong customer rating of 4.6 from 817 reviews, it combines performance and reliability at an affordable price of $30.59.

Principais características
  • 800W Powerful Angle Grinder - DSM14-115 features a powerful 6.7-Amp (800W) copper motor up to 11,800...
  • No Lock-on Paddle Switch - Features a safety-focused paddle switch that stops instantly when release...
  • Dual Guard System for Safety & Versatility - Includes Two Interchangeable Guards a spark-resistant c...
  • Ergonomic Design - Weighs only 4.2 lbs, it’s extra-slim grip and compact size fits your hand perfect...
Prós
  • Powerful Angle Grinder - DSM14-115 features a powerful 6
  • Includes Two Interchangeable Guards a spark
  • 4.6★ rating from 817 verified buyers
  • Amazon's Choice for value and quality
  • Currently $5 off regular price
Contras
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"It’s a good quality angle grinder at affordable price that can compare with some names brands. I’m very pleased to get one with fast delivery. Over all a good tool to have, and I recommend it."

— Amazon Customer
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#7

Moedora de ângulo DeWalt, protetor de um toque, 4-1/2 polegadas (DWE4011)

by DEWALT
Moedora de ângulo DeWalt, protetor de um toque, 4-1/2 polegadas (DWE4011) Amazon's Choice
$89.00
★★★★★ (4.6)
2,243 avaliações

Nossa opinião

The DEWALT DWE4011 Angle Grinder is equipped with a powerful 7 Amp AC/DC motor that achieves 12,000 RPM, making it ideal for quick and efficient material removal. Its standout One-Touch Guard allows for effortless adjustments without the need for tools, enhancing user convenience and productivity. With a strong rating of 4.6 from over 2,200 reviews, this grinder is a dependable choice for both professionals and DIY enthusiasts seeking reliable performance.

Principais características
  • 7 amp AC/DC, 12,000 rpm motor of the angle grinder is designed for faster material removal and highe...
  • One-Touch guard of the metal grinder eliminates the need for a tool to adjust the guard location.
  • Hex wrench replaces spanner wrench of DEWALT angle grinder - hex wrench can be found in most tool bo...
  • Quick-Change wheel release allows tool-free wheel removal without the need for a wrench
Prós
  • Hex wrench can be found in most tool boxes
  • Change wheel release allows tool
  • 4.6★ rating from 2,243 verified buyers
  • Amazon's Choice for value and quality
Contras
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
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#8

Bosch GWS8-45 4-1/2 pol. retificador de ângulo

by Bosch
$49.00 $79.00
★★★★★ (4.6)
7,481 avaliações

Nossa opinião

The Bosch GWS8-45 4.5 Inch Angle Grinder is equipped with a robust 7.5 Amp motor, delivering speeds of up to 11,000 no-load RPM for efficient grinding and cutting tasks. Its slim-grip design ensures comfort and control during prolonged use, making it ideal for both professional and DIY applications. With a strong reputation reflected in a 4.6-star rating from over 7,400 reviews, this grinder combines performance and ergonomics for reliable results.

Principais características
  • POWERFUL MOTOR Professional 7.5 amp motor delivers 11,000 no-load rpm
  • SLIM-GRIP DESIGN Provides outstanding user comfort
  • DURABLE CARBON BRUSHES Delivers extended tool life
  • TWO-POSITION SIDE HANDLE Allows for greater control and utility
Prós
  • Customers say: "like the safety guard"
  • 4.6★ rating from 7,481 verified buyers
  • Currently $30 off regular price
Contras
  • Some note: but never overheated
  • Not Prime eligible - shipping times may vary
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"I bought this grinder to use with poly abrasive stripping discs to remove paint on an older ranch house. I appreciate that the grinder is not heavy while still being beefy. The grip is small enough to run one handed, which I needed to do often while stretching arms length at the top of a ladder.The ..."

— Amazon Customer
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#9

Makita 9557PBX1 4-1/2" Interruptor de pás/moedeira angular

by Makita
Makita 9557PBX1 4-1/2" Interruptor de pás/moedeira angular Amazon's Choice
$109.00
★★★★★ (4.8)
3,933 avaliações

Nossa opinião

The Makita 9557PBX1 4.5" Paddle Switch Cut-Off Angle Grinder is equipped with a robust 7.5 Amp motor that achieves speeds of 11,000 RPM, making it ideal for cutting and grinding tasks. Its compact design and small diameter barrel grip enhance user comfort during extended use, while the labyrinth construction effectively shields the motor from dust and debris. With a high customer rating of 4.8 from over 3,900 reviews, this grinder is a reliable choice for both professionals and DIY enthusiasts.

Principais características
  • Powerful 7.5 AMP motor for high output power in a more compact tool (only 4.5 pounds)
  • Small diameter barrel grip (only 2 to 1/2 inches) for added comfort
  • Labyrinth construction seals and protects the motor and bearings from dust and debris for longer too...
  • Lock on/off feature for continuous operation
Prós
  • On/off feature for continuous operation
  • 2 inch capacity for versatility
  • 4.8★ rating from 3,933 verified buyers
  • Amazon's Choice for value and quality
Contras
  • Some note: only works when powered and it is finicky
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"The Makita 9557PB Angle Grinder holds 4.5” discs, runs 7.5 amps at 11k fixed rpm and is made in China. The kit includes a case that is too small, 5 grinding wheels and 1 diamond cutting wheel (useful when you want to cut thru a material).My biggest complaint is that the angle grinder won’t fit in th..."

— Amazon Customer
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#10

DeWalt 20V Max* Ferramenta de esmerilhadeira sem fio sem escova, 4 1/2 polegadas...

by DEWALT
$163.95 $249.00
★★★★★ (4.8)
9,137 avaliações

Nossa opinião

The DEWALT 20V MAX Angle Grinder is designed for durability and efficiency, featuring a cordless brushless motor that eliminates the need for brush changes, extending motor life. Its integrated kickback brake stops the wheel in under two seconds, enhancing user safety during operation. Ideal for both professional and DIY projects, this tool combines high performance with advanced safety features, making it a reliable choice for any grinding task.

Principais características
  • Brushless motor of the angle grinder requires no brush changes.
  • DEWALT grinder's brake stops wheel in 2 seconds or less on average
  • Kickback Brake engages when a pinch, stall, or bind-up event is sensed and the electronic brake enga...
  • Features E-Switch Protection - When the ON/OFF trigger switch has a no-volt release function. In the...
Prós
  • Motor of the angle grinder requires no brush changes
  • Grinder's brake stops wheel in 2 seconds or less on average
  • Customers say: "work as expected"
  • 4.8★ rating from 9,137 verified buyers
  • Currently $85 off regular price
Contras
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"I've used corded angle grinders for many years and I never expected a cordless angle grinder to be worthwhile. I was pleasantly surprised that this angle grinder works amazingly well. With steady use, the battery will discharge after several minutes, so it's helpful to have a second battery on sta..."

— Amazon Customer
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#11

Dongcheng 9,2 amp reboladores, Ângulo de potência, 4-1/2 pol., 11800 rpm, guarda...

by Dong Cheng
Dongcheng 9,2 amp reboladores, Ângulo de potência, 4-1/2 pol., 11800 rpm, guarda sem ferramentas, ferramenta de moagem de metal elétrico, pequena rebarbadora com cordão, interruptor de patilha, cabo à prova de choque para corte, moagem, polimento Amazon's Choice
$38.69 $44.64
★★★★★ (4.7)
372 avaliações

Nossa opinião

The Dongcheng 9 rounds out our list as a reliable option in this category. Standout features include power motor corded electric angle grinder features a powerful 9 and free guard angle grinder cut off tool with tool. Customers particularly praise that it easy to hold and adjust the side handl. Currently 13% off at $38.69, it represents excellent value.

Principais características
  • Super Power Motor Corded Electric angle grinder features a powerful 9.2 AMP copper motor with 11,800...
  • Handy Design 4.2lb lightweight, with 59mm thin & compact grip design and shock-proof handle to reduc...
  • No Lock-on Paddle Switch Avoids accidental start for user protection with two stage power lock-off s...
  • Tool-Free Guard Angle grinder cut off tool with tool-free guard, allows for 360° rotation adjustment...
Prós
  • Free Guard Angle grinder cut off tool with tool
  • Customers say: "easy to hold and adjust the side handl"
  • Solid 4.7★ rating with proven track record
  • Amazon's Choice for value and quality
  • Currently $6 off regular price
Contras
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"I needed a decent grinder for my tool collection. This one is great, it works awesome and it comes with all the discs you need to get started including cutoff wheels. I used it to cut and grind some bolts left over from old handrails in our concrete steps. This tool is a great deal for the price a..."

— Amazon Customer
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#12

Ferramenta elétrica do moedor angular: Dekopro 4-1/2 polegadas 7,5 amperes da re...

by DEKOPRO
$22.99
★★★★☆ (4.2)
100 avaliações

Nossa opinião

The Ferramenta elétrica do moedor angular: Dekopro 4 rounds out our list as a reliable option in this category. At just $22.99, it's accessible for most budgets.

Principais características
  • Powerful Motor - Equipped with a 7.5 amp motor, it delivers a no-load speed of up to 12,000 rpm for ...
  • Ergonomic Design - The 2-position side handle enhances control and comfort for both right and left-h...
  • Safety Features - The wheel guard prevents sparks and chips, while the spindle lock and slide switch...
  • Versatile Applications - Ideal for metal and wood cutting, grinding, dust removal, and surface prepa...
Prós
  • Solid 4.2★ rating with proven track record
Contras
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"A very good buy."

— Amazon Customer
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#13

Ferramenta de rebarbadora de cabo de porter, 4-1/2 polegadas, 7,5 amp (PC750AG)

by PORTER-CABLE
Ferramenta de rebarbadora de cabo de porter, 4-1/2 polegadas, 7,5 amp (PC750AG) Amazon's Choice
$47.40 $79.00
★★★★★ (4.6)
2,768 avaliações

Nossa opinião

The Ferramenta de rebarbadora de cabo de porter rounds out our list as a reliable option in this category. Standout features include grip handle improves user comfort and control and lock feature allows for single wrench bit changes. Customers consistently report high satisfaction with this purchase. Currently 40% off at $47.40, it represents excellent value.

Principais características
  • Durable 7.5-amp motor of the angle grinder powers through jobsite tasks with ease
  • Cast metal gear housing increases jobsite durability and tool longevity of the metal grinder
  • 3-position adjustable side handle of hand grinder allows greater control in multiple positions
  • Soft grip handle improves user comfort and control
Prós
  • Grip handle improves user comfort and control
  • Lock feature allows for single wrench bit changes
  • 4.6★ rating from 2,768 verified buyers
  • Amazon's Choice for value and quality
  • Currently $32 off regular price
Contras
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"Very good grinder for the price. Has good power and has worked for the applications I needed it for."

— Amazon Customer
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#14

Moedora de 6 amps e 4 polegadas de Hammerhead com rebolo de 3 unidades – HAAG060

by Hammerhead
Moedora de 6 amps e 4 polegadas de Hammerhead com rebolo de 3 unidades – HAAG060 Amazon's Choice
$26.12
★★★★★ (4.5)
1,140 avaliações

Nossa opinião

The Moedora de 6 amps e 4 polegadas de Hammerhead c... rounds out our list as a reliable option in this category. Key specs include 2 inch capacity. Customers particularly praise that it great value for the price. At just $26.12, it's accessible for most budgets.

Principais características
  • Tool-free Guard Adjustment - No tools are needed to adjust the safety guard position
  • Onboard Wrench Storage - Wrench Storage is conveniently located in the side handle. Never search for...
  • Powerful 6-Amp Motor - With a 6-Amp motor, this grinder can handle big and small household tasks
  • Paddle Switch - This grinder is equipped with paddle switch safety lock to prevent unintended poweri...
Prós
  • Wrench Storage is conveniently located in the side handle
  • 2 inch capacity for versatility
  • Customers say: "great value for the price"
  • 4.5★ rating from 1,140 verified buyers
  • Amazon's Choice for value and quality
Contras
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"I recently picked up the Hammerhead 6-Amp 4-1/2 Inch Angle Grinder with the three grinding wheels, and I have to say, it has really impressed me. Right out of the box, it felt solid and well-made. The 6-amp motor provides plenty of power, making quick work of whatever I throw at it.I’ve used it for ..."

— Amazon Customer
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#15

Dewalt DCG412B 20V Max* Lithium Ion 4-1/2” triturador (apenas ferramenta)

by DEWALT
Dewalt DCG412B 20V Max* Lithium Ion 4-1/2” triturador (apenas ferramenta) Amazon's Choice
$110.67 $169.00
★★★★★ (4.7)
6,761 avaliações

Nossa opinião

The Dewalt DCG412B 20V Max* Lithium Ion 4 rounds out our list as a reliable option in this category. Standout features include change wheel release allowing tool free wheel removal without need for a wrench and finger trigger switch with lock. Customers particularly praise that it great value for diy or hobbyist use. Currently 35% off at $110.67, it represents excellent value.

Principais características
  • 8,000 rpm motor provides high power for cutting and grinding applications for the angle grinder
  • DEWALT grinder comes with Quick-Change Wheel Release allowing tool free wheel removal without need f...
  • Tool-free guard of the metal grinder allows for quick and easy guard adjustments/positioning
  • 2-finger trigger switch with lock-off button for convenient activation and easier gripping
Prós
  • Finger trigger switch with lock
  • Customers say: "great value for DIY or hobbyist use"
  • 4.7★ rating from 6,761 verified buyers
  • Amazon's Choice for value and quality
  • Currently $58 off regular price
Contras
  • Some note: but this is offset by the portability
  • Not Prime eligible - shipping times may vary
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"This DeWalt 20V Grinder is a great value for DIY or hobbyist use. It has a comfortable grip and works great on most tasks. Its can cut through sheet metal and rebar fairly easily (with a quality cut-off wheel). Also, with the grinder disc, makes it easy to clean off burrs and other jagged edges. It ..."

— Amazon Customer
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#16

Ferramenta de rebarbadora Dewalt, interruptor de gatilho de 4-1/2 polegadas a 5 ...

by DEWALT
Ferramenta de rebarbadora Dewalt, interruptor de gatilho de 4-1/2 polegadas a 5 polegadas (DWE43116) Amazon's Choice
$132.50 $169.00
★★★★★ (4.6)
1,328 avaliações

Nossa opinião

The Ferramenta de rebarbadora Dewalt rounds out our list as a reliable option in this category. Customers consistently report high satisfaction with this purchase. Currently 22% off at $132.50, it represents excellent value.

Principais características
  • 13 Amp Motor
  • Includes (1) Side handle (1) Inner and outer flange (1) 5 in. Type 27 guard (1) 4.5 in. Type 27 guar...
  • Dust Ejection System provides durability by ejecting damaging dust and debris particles that enter t...
  • Lightweight 5.7 lbs
Prós
  • 4.6★ rating from 1,328 verified buyers
  • Amazon's Choice for value and quality
  • Currently $37 off regular price
Contras
  • Not Prime eligible - shipping times may vary
  • Compare specs with alternatives before deciding
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"This DEWALT grinder is an absolute powerhouse, handling any task effortlessly - cutting metal, grinding welds, you name it. The ergonomic trigger switch ensures a comfortable grip, and the premium build quality shines through. While it may be slightly heavy, the performance justifies it. Highly reco..."

— Amazon Customer
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#17

Moedor de ângulo de potência ávido de 4-1/2 polegadas Ferramentas de moedor elét...

by AVID POWER
Moedor de ângulo de potência ávido de 4-1/2 polegadas Ferramentas de moedor elétrico 750W 6,5 amp, moedor de metal, 11500 rpm, com retificação e rebolo, punho auxiliar, chave de corte e retificação Amazon's Choice
$29.99 $42.99
★★★★★ (4.5)
50 avaliações

Nossa opinião

The Moedor de ângulo de potência ávido de 4 rounds out our list as a reliable option in this category. A key highlight is grinder tool, no excessive vibration equipped with 6. Key specs include 2 inch capacity and 750W of power. Customers particularly praise that it great for the price. Currently 30% off at $29.99, it represents excellent value.

Principais características
  • Powerful Grinder Tool, No Excessive Vibration Equipped with 6.5 Amps motor with 750W max output powe...
  • Essential Wheels Are Included for Cutting/Grinding Metal This electric grinder comes with 2 cutting ...
  • Screw-on Guard for Safety & Side Handle for Added Control Wheel guard can be adjusted with screwdriv...
  • Universal Size & Easy Wheel Changes This 4-1/2 inch grinder tool has a 7/8” arbor with 5/8”-11 threa...
Prós
  • Grinder Tool, No Excessive Vibration Equipped with 6
  • 2 inch capacity for versatility
  • Customers say: "great for the price"
  • Amazon's Choice for value and quality
  • Currently $13 off regular price
Contras
  • Newer product with limited long-term reviews
  • Not Prime eligible - shipping times may vary
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"Just what I needed. Works well and great for the price."

— Amazon Customer
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#18

WEN 94475 7,5 amp reboladeira de 4-1/2 polegadas com cabo reversível, três disco...

by WEN
WEN 94475 7,5 amp reboladeira de 4-1/2 polegadas com cabo reversível, três discos de moagem e estojo de transporte, preto, laranja Amazon's Choice
$31.11
★★★★★ (4.5)
1,938 avaliações

Nossa opinião

The WEN 94475 7 rounds out our list as a reliable option in this category. Standout features include pound body limits fatigue during long days on the job and inch arbor grinding wheels. Customers particularly praise that it easy to use even on tougher materials. At just $31.11, it's accessible for most budgets.

Principais características
  • 7.5-amp motor generates up to 11,000 disc rotations per minute
  • Lightweight 4-pound body limits fatigue during long days on the job
  • Arbor adapter allows for compatibility with both 5/8 and 7/8-inch arbor grinding wheels
  • Reversible auxiliary handle attaches to both the left and right-hand side of the grinder
Prós
  • Pound body limits fatigue during long days on the job
  • Inch arbor grinding wheels
  • Customers say: "easy to use even on tougher materials"
  • 4.5★ rating from 1,938 verified buyers
  • Amazon's Choice for value and quality
Contras
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"I bought this angle grinder for some home improvement projects. I needed something that could handle cutting and grinding various metals without breaking the bank, and this one seemed to fit the bill. It's been working well so far; it can definitely cut through metal like a hot knife through butter...."

— Amazon Customer
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#19

7,5 Amp 4-1/2 polegadas 12.000 rpm Angular com 2 protetores, 3 rodas de corte, 3...

by SHALL
$34.99
★★★★☆ (4.4)
1,850 avaliações

Nossa opinião

The 7 rounds out our list as a reliable option in this category. Key specs include 900 W of power. Customers particularly praise that it perfect for his needs~ he gets about 30 minutes of. At just $34.99, it's accessible for most budgets.

Principais características
  • Note There are 3 cutting discs wrapped in the clear plastic film, pls tear off the film to take them...
  • Super Power Equipped with a 7.5 Amps motor along with a 900 W maximum power output, the unique power...
  • Safety & Convenience Design It comes with 2 different types of Tool-Free wheel guards specifically d...
  • Compact & Lightweight Narrow and lightweight body at just 3.7 pounds gives the grinders power tool a...
Prós
  • Position side handle made of non
  • Customers say: "perfect for his needs~ he gets about 30 minutes of"
  • Solid 4.4★ rating with proven track record
Contras
  • Some note: but a positive experience
  • Not Prime eligible - shipping times may vary
  • Compact size may not suit larger households
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"My husband needed an affordable replacement angle grinder for work since all of his tools got stolen on a job site~ this was the least expensive model I could find~ and so far so good.It cuts and grinds through sheet-metal with no issues at all.He’s been using it every day now for about 3 months. No..."

— Amazon Customer
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#20

Moedora sem fio DCA 4-1/2 polegadas, motor sem escova de 20 V 8500 rpm, moedor d...

by DCA
$49.99
★★★★★ (4.6)
184 avaliações

Nossa opinião

The Moedora sem fio DCA 4 rounds out our list as a reliable option in this category. A key highlight is compatible with various 4. Customers particularly praise that it works great as described, feels quality a. At just $49.99, it's accessible for most budgets.

Principais características
  • Real Brushless Motor - The 20V Brushless Angle Grinder operates at 8500RPM for stable and powerful p...
  • High-Capacity Battery - The 4000mAh battery provides all-day power and features 2-hour fast charging...
  • Ergonomic Design - Tool-free guard adjustment and a 2-position side handle enhance control and comfo...
  • Cool Operation - Dimensional vents prevent overheating and protect the motor, ensuring a longer life...
Prós
  • Compatible with various 4
  • Customers say: "Works great as described, feels quality a"
  • Solid 4.6★ rating with proven track record
Contras
  • Not Prime eligible - shipping times may vary
  • Compare specs with alternatives before deciding
O que os clientes dizem
★★★★★ Melhor avaliação Compra verificada

"Works great as described, feels quality and will probably last quite a while."

— Amazon Customer
Ver preço na Amazon →

Perguntas frequentes

What is the best angle grinder for a beginner?

For beginners, the Skil SKIL 9295-01 6.0 Amp 4-1/2-Inch Angle Grinder is a great choice at just $32.99. It offers a good balance of power and ease of use with a 4.6-star rating from 2027 reviews, making it suitable for basic tasks like grinding and cutting.

How much should I budget for a quality angle grinder?

You can find quality angle grinders in a price range from $22.99 to $163.95. For a reliable model with good features, consider spending around $40 to $100, which will give you options like the DCK 6.7 Amp Grinder or the Metabo HPT for efficient performance.

What key features should I look for in an angle grinder?

When choosing an angle grinder, consider the motor power (measured in amps), RPM (revolutions per minute), and the size of the disc. For instance, the DEWALT 11 Amp model delivers 11,000 RPM, making it ideal for heavy-duty tasks, while the 4-1/2-inch disc size is versatile for most home projects.

How do the top brands compare in terms of performance?

Brands like DEWALT and Metabo HPT are known for their durability and performance, with the DEWALT model boasting a higher power at 11 amps compared to the 6.0 amps in the Skil. However, Skil and AVID POWER provide great budget-friendly options that still maintain solid performance and positive user reviews.

What maintenance tips should I follow for my angle grinder?

To ensure longevity, regularly clean your angle grinder after use, checking for dust buildup around the motor and vents. Additionally, replace worn-out brushes and cutting wheels promptly, as seen with the Metabo HPT model, which includes five grinding wheels for added convenience.

Is there a significant difference between a 6 amp and an 11 amp angle grinder?

Yes, an 11 amp angle grinder, like the DEWALT model, provides significantly more power and can handle tougher materials more efficiently compared to a 6 amp grinder. This increased power is beneficial for heavy-duty tasks, while a 6 amp model is generally suitable for lighter projects.

📖 Complete Buying Guide: Angle Grinders

Moedores angulares: a ferramenta mais versátil e perigosa em sua loja

Os rebarbadores angulares executam uma gama extraordinária de tarefas – corte, moagem, polimento, lixamento e afiação – tornando-os indiscutivelmente a ferramenta elétrica mais versátil disponível. Essa versatilidade tem um custo: eles também estão entre as ferramentas mais perigosas de uso comum, responsáveis por milhares de visitas ao pronto-socorro anualmente.

Entendendo o design fundamental

Uma rebarbadora gira um disco perpendicular ao eixo do motor, criando uma poderosa superfície rotativa que contata as peças de trabalho. O disco gira a 8.000 a 12.000 rpm, o que significa que a borda externa de um disco de 4,5 polegadas viaja a aproximadamente 80 mph. Essa velocidade permite o corte de aço, mas também significa que os erros acontecem mais rápido do que o tempo de reação humano permite.

O perigo da ferramenta decorre de vários fatores: disco giratório exposto, alto torque que pode arrancar a ferramenta das mãos, potencial para explosão do disco e a combinação de faíscas, detritos e poeira de moagem. Todos os principais fabricantes de ferramentas elétricas possuem extensa literatura de segurança especificamente para rebarbadoras.

Tamanho e classificações de potência

    • Moedores de 4,5 polegadas** ($30-150) lidam com a maioria das tarefas profissionais de bricolage e leves. Eles são gerenciáveis com uma mão quando necessário, encaixam-se em espaços mais apertados e usam discos mais baratos. Para uso ocasional, eles cobrem 90% das necessidades.
  • Crituras de 5 polegadas* ($50-200) oferecem modestamente mais profundidade de corte e remoção de material sem aumentar drasticamente o peso. Eles são populares entre os profissionais que desejam a capacidade extra.

    • Moedores de 7 e 9 polegadas** (US$ 100-400+) são ferramentas profissionais para fabricação de metais pesados, corte de concreto e alvenaria. Eles exigem uma operação em duas mãos e são genuinamente perigosos para usuários inexperientes.

As classificações de amplificadores (7-15 amperes para corda, voltagem/ah para sem fio) indicam potência para manter a velocidade sob carga. Os retificadores com pouca potência atolam ao cortar material espesso, criando riscos de encadernação.

com fio vs sem fio

    • Moedores com fio ** Fornecem tempo de execução ilimitado e potência consistente. Eles são mais leves que os equivalentes sem fio, pois não carregam peso da bateria. Para uso em oficina estacionária, o cordão permanece prático e econômico.
    • Moedores sem fio** (US$ 100-300 com baterias) oferecem mobilidade para o trabalho no local de trabalho. Motores modernos sem escova com baterias de alta capacidade aproximam o desempenho com fio. No entanto, a moagem agressiva drena as baterias rapidamente – os usuários pesados precisam de várias baterias. O prêmio de conveniência é significativo; um moedor com fio de US$ 50 pode ter um desempenho equivalente a um kit sem fio de US$ 250.

Tipos e aplicativos de disco

  • Discos de corte* (1 mm a 3 mm de espessura) Corte o metal, o azulejo e a alvenaria. Discos mais finos cortam mais rápido, mas se desgastam rapidamente e quebram mais facilmente. O uso de discos de corte para moer ou carregá-los laterais causa falhas perigosas.

  • Discos de moagem* (5 mm a 8 mm de espessura) Remova o material por meio de abrasão – soldaduras, modelagem de metal ou remoção de ferrugem. Eles lidam com a pressão lateral que quebraria os discos de corte.

    • Discos com aba** Combinar o retificação e o acabamento, oferecendo uma remoção mais suave do material com resultados mais suaves. Eles são ideais para limpeza de solda e preparação de superfícies.
  • Rodas de arame e copos* Remova a ferrugem, a tinta e a corrosão. As rodas de arame lançam detritos; os protetores faciais (não apenas óculos de segurança) são essenciais.

  • Ladas de diamante* Corte de concreto, telha e pedra. O corte úmido reduz a poeira; o corte a seco cria poeira de sílica que requer proteção respiratória.

  • Discos de lixar e polir* Transforme os moedores em ferramentas de acabamento superficial. O controle de velocidade se torna importante - o polimento em velocidade máxima pode queimar com acabamentos.

Critical Safety Features

Paddle switches require continuous pressure to operate; releasing stops the disc. This is significantly safer than toggle switches that stay on if you lose grip.

Electronic braking stops discs within 2-3 seconds after release, versus 10-15 seconds of unpowered spin-down. This reduces injury risk from accidental contact during tool changes or setting down.

Kickback reduction senses binding and reduces power before the tool wrenches violently. DeWalt, Bosch, and Makita premium models include variations of this technology.

Guards are legally required and should never be removed despite common practice. Adjustable guards that don't require tools to reposition encourage proper use.

práticas perigosas comuns

Remover as proteções, usar discos de corte para moagem, montar discos de tamanho errado, moer com rodas de corte, operar com uma mão quando dois são necessários, usar roupas soltas e pular a proteção ocular/facial causando lesões. Estes não são riscos obscuros – as salas de emergência veem essas lesões rotineiramente.

Explosões de discos enviam fragmentos em velocidades de bala. Os discos de qualidade de marcas respeitáveis falham com menos frequência do que as importações sem nome, mas todos os discos devem ser inspecionados quanto a rachaduras antes do uso e substituídos no diâmetro marcado.

Recomendações práticas

  • Para uso ocasional DIY *: Um moedor com fio de 4,5 polegadas da Dewalt, Makita ou Milwaukee na linha de US$ 50-80 oferece recursos de qualidade profissional. Adicione um pacote de discos misturados e use sempre a proteção.

  • Para fabricação de automóveis e metais *: Um modelo de 4,5 ou 5 polegadas de velocidade variável permite cortes agressivos e acabamentos controlados. Invista em discos de retalhos de qualidade para limpeza de solda.

  • Para construção e alvenaria*: considere modelos de 5 ou 7 polegadas com compatibilidade com cobertura de pó. A sílica do concreto é um sério risco para a saúde a longo prazo.

  • Para sistemas de ferramentas sem fio*: combine com a plataforma de bateria existente. Dewalt, Milwaukee e Makita oferecem excelentes moedores sem fio que compartilham baterias com outras ferramentas.

  • Para todos*: Escudo de rosto inteiro (não apenas óculos), proteção auditiva, luvas de couro e mangas compridas são EPIs mínimos. As lesões mais comuns são detritos e lacerações, ambos bastante evitáveis com equipamentos adequados.

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