Best Angle Grinder for Metal Work (2026)

A rusted bolt holds a bracket that has to come off, and the nut will not move with a wrench. That is the moment a grinder earns its place in the garage: a spinning disc cuts the bolt, cleans the rust and smooths the edge. This guide names the best angle grinder for metal work from corded listings, compared by motor, speed, guards, weight and warranty.

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Picks for the garage

#	Product	Shop Score	Buy
1	DongCheng Angle Grinder 4-1/2 inch	9.6/10	Buy on Amazon
2	Avhrit 10 Amp Angle Grinder 4-1/2 inch	9.5/10	Buy on Amazon
3	6-Amp Corded Angle Grinder	9.5/10	Buy on Amazon
4	SHALL 4-1/2 Inch 11000 RPM Angle Grinder 4Amp	9.4/10	Buy on Amazon

1

DongCheng Angle Grinder 4-1/2 inch

Dong Cheng·9.6/10 Shop Score

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The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 4-1/2 inch corded grinder with an 800W, 6.7 amp motor at 11800 RPM, two tool-free guards, a no-lock paddle switch and a 5 year limited warranty.

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Pros

• 800W, 6.7 amp motor at 11800 RPM
• 2 tool-free guards, cutting and grinding
• No-lock paddle switch stops on release
• 5 year limited warranty stated

Cons

• Weight disagrees: 4.2 lb in bullets, 3.3 lb in table
• No UL, ETL or CSA listing stated
• Highest stated weight here at 4.2 lb
• No spindle lock stated for wheel changes

2

Avhrit 10 Amp Angle Grinder 4-1/2 inch

Avhrit·9.5/10 Shop Score

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The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 4-1/2 inch corded grinder with a 10 amp, 1200W motor at 13,000 RPM in a 2 lb body, with a lock-on slide switch and no guard stated.

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Pros

• 1200W, 10 amp motor at 13,000 RPM
• Lowest stated weight here at 2 lb
• Lock-on slide switch for long sessions
• Handles metal, wood, concrete, tile and PVC

Cons

• No guard stated anywhere in the listing
• No warranty stated
• No UL, ETL or CSA listing stated
• No cord length stated

3

6-Amp Corded Angle Grinder

DEKOPRO·9.5/10 Shop Score

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The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 4-1/2 inch corded grinder with a 6 amp, 750W motor at 12,000 RPM, a spindle lock and 6 wheels, aimed at metal cutting and grinding.

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Pros

• 750W, 6 amp motor at 12,000 RPM
• Spindle lock for quick wheel changes
• 6 wheels included: 3 grinding, 3 cutting
• Aimed at metal work: rebar, pipe, rusted bolts

Cons

• No weight stated
• No warranty stated
• 1 guard only
• No UL, ETL or CSA listing stated

4

SHALL 4-1/2 Inch 11000 RPM Angle Grinder 4Amp

SHALL·9.4/10 Shop Score

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The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 4-1/2 inch corded grinder with a 4 amp, 500W motor at 11000 RPM, two guards and 6 discs, the lowest-powered motor here.

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Pros

• 2 wheel guards included
• 6 discs included: 3 cutting, 3 flap
• Lock-off/on slide switch and spindle lock
• 2-position non-slip side handle

Cons

• Lowest power here: 500W, 4 amp, 11000 RPM
• Weight disagrees between bullets and table
• No warranty stated
• No UL, ETL or CSA listing stated

Compared on paper

Every rating comes from the brand’s listing and is not a shop test (gathered 11 November 2026). Where a listing disagrees with itself, the picks below say so.

How the points were given

Each grinder is scored out of 10 on performance, build, value, safety and warranty, with the weights published on the How We Pick page. A UL, ETL or CSA listing for the whole machine earns full safety points; stated guards and a no-lock switch earn a little.

No score drops under 9.2 or climbs past 9.8; a tool’s place inside those bounds is set by its weighted point total.

What the listings tell you

4 angle grinder listings were read for this guide. All 4 state a disc size, a motor figure and a no-load speed, and 1 states a warranty term. Guards are a mixed bag: 2 listings include 2 guards, 1 includes 1 guard, and 1 states no guard at all. 2 listings disagree with their own spec tables on weight, and the picks above say where.

Buying guide: best angle grinder for metal work

Power for metal

Metal work rewards watts and speed. Here the motors run 500W to 1200W, 4 to 10 amps, at 11000 to 13,000 RPM with no load. The Avhrit leads on every figure, while the SHALL sits at the bottom of the range and suits lighter metal work.

Disc size and guards

All 4 grinders take 4-1/2 in discs. Guards differ: the DongCheng and SHALL kits each include 2 guards, the DEKOPRO kit includes 1, and the Avhrit listing states no guard at all. The DongCheng guards swap without tools, and the DongCheng and the SHALL list a 5/8 in-11 spindle thread, so standard discs fit.

Switches and control

The DongCheng uses a no-lock paddle switch that stops when released, the Avhrit uses a slide switch with a lock-on feature, and the SHALL uses a slide switch with a lock-off/on feature. The DEKOPRO listing states no switch type. A lock-on switch suits long sessions, while a no-lock paddle suits work where the grinder must stop fast.

Weight and handling

Stated weights run 2 lb to 4.2 lb, with the Avhrit at the low end and the DongCheng at the high end; the DEKOPRO states no weight. The SHALL and DongCheng listings disagree with their own spec tables on weight, so treat those figures with care. A 2-position side handle comes with the DongCheng and SHALL kits, and the DEKOPRO handle mounts on the left or right side.

Garage Fit Check

• All 4 grinders are corded, so the work area needs an outlet within reach; the DongCheng cord is 8 ft.
• All 4 take 4-1/2 in discs, so the same discs fit every grinder here; check the 5/8 in-11 spindle thread before buying accessories.
• Store guards and spare discs dry; the SHALL and DEKOPRO kits each include 6 discs.
• Check the guard is fitted and the disc is tight before each job, and keep the wrench with the grinder.
• The Avhrit carries the lowest stated weight here at 2 lb; the DongCheng carries the highest stated weight at 4.2 lb.

FAQ: garage tools

What does an angle grinder do?

An angle grinder cuts, grinds and polishes with a spinning disc. The listings here name metal cutting and grinding, rust removal, paint stripping, stone polishing and surface finishing. With the right disc it also cuts wood, concrete and tile.

Are angle grinder guards universal?

No. The guards here are made for 4-1/2 in discs, and the DongCheng and SHALL guards are listed for their own grinders. Check the disc size and the 5/8 in-11 spindle thread before fitting a guard from another grinder.

How to put angle grinder guard on?

Fit the guard before plugging the grinder in, seat it over the spindle, and lock it so it sits between the disc and your hand. The DongCheng guards swap without tools. Check the manual for your grinder before use.

How to repair angle grinder?

Start with the manual: worn carbon brushes are a common wear item, and the SHALL kit includes 2 spares while the DongCheng lists auto-stop brushes. A grinder that sparks, smells of burning or will not start should go to a repair shop rather than back on the bench.

What do you use angle grinder for?

Metal work first: cutting rebar and pipe, grinding rusted bolts, removing rust and paint, and polishing metal surfaces. The listings here also name stone polishing, paint stripping and cutting wood, concrete and tile.

Related: the best cordless angle grinder guide, the cordless vs corded angle grinder comparison, and the brushless vs brushed angle grinder guide. Also see the garage upgrades hub.