Does this include a battery?

No, this is the bare tool (DCG412B). You will need to use your existing DeWALT 20V MAX lithium-ion batteries or purchase them separately.

What size wheels does this grinder use?

It is compatible with both 4-1/2 inch and 5 inch wheels, providing flexibility for different cutting and grinding depths.

Is the motor brushless?

No, the DCG412B uses a high-performance brushed motor. For a brushless version, you would look at the DCG413 or DCG405 models.

Can the guard be adjusted without tools?

Yes, it features a tool-free guard adjustment that allows you to reposition the shield quickly for different angles.

What do buyers say about the DeWALT Max 4-1/2" / 5" 20V Cordless Grinder DCG412B (Bare Tool)?

Rated 4.5 out of 5 from 57 ratings.

DeWALT Max 4-1/2" / 5" 20V Cordless Grinder DCG412B (Bare Tool)

Best price now

$104.99at WalmartChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Walmart

DeWALT Max 4-1/2" / 5" 20V Cordless Grinder DCG412B (Bare Tool)

Best price now

$104.99at WalmartChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $104.99 at Walmart on Nov 9.

Our take on the DeWALT Max 4-1/2" / 5" 20V Cordless Grinder DCG412B (Bare Tool)

The DCG412B is a versatile cordless grinder designed for heavy-duty metal cutting, grinding, and finishing. It delivers 8,000 RPM, placing it on par with many corded models for speed and efficiency in the field. This bare tool is a staple for contractors already on the DeWALT 20V battery platform who need a reliable, portable solution for ironwork and automotive repair.

Best forProfessional ironworkers and mechanicsOn-site metal cutting and finishingContractors already using DeWALT 20V batteries

Pros

High-speed 8,000 RPM motor
Tool-free guard adjustments
Quick-change wheel release for wrench-free swaps
Two-position side handle for better control
Trigger switch with lock-off for safety

Cons

High battery consumption during heavy grinding
Bare tool does not include battery or charger
Bulkier body compared to brushless models

DeWALT Max 4-1/2" / 5" 20V Cordless Grinder DCG412B (Bare Tool) prices at every store

WalmartNew
In stockSold by Sceglio EnterprisesReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$104.99Free shippingChecked Nov 9
Visit Walmart

What reviewers say

4.5 / 557 ratings

Owners highly value this grinder for its power and durability, often noting it performs as well as corded versions for short to medium tasks. While praised for its ergonomics, some users find it drains smaller batteries quickly.

What people mention

PowerPraisedUsers report the 8,000 RPM motor provides enough torque for thick metal without stalling.
Battery LifeMixedWhile convenient, the tool is known to consume battery power rapidly under heavy loads.
Wheel ChangesPraisedThe quick-change release is frequently cited as a major time-saver on the job.

About the DeWALT Max 4-1/2" / 5" 20V Cordless Grinder DCG412B (Bare Tool)

The DeWalt 20V MAX cordless grinder takes 4-1/2 inch and 5 inch wheels. It is used to cut, grind and finish metal in construction, maintenance, repair and automotive work, and it is intended for electricians, mechanical contractors, ironworkers and automotive mechanics.

The motor runs at 8,000 rpm for cutting and grinding. A quick-change wheel release lets you change wheels without a wrench, and the guard adjusts without tools.

A 2-finger trigger switch with a lock-off button controls the tool. The side handle mounts in 2 positions.

Model: DCG412B
Type: Cordless grinder / cut-off tool (bare tool)
Wheel size: 4-1/2 in. to 5 in. (114 mm to 127 mm)
Speed: 8,000 rpm, no load
Switch: 2-finger trigger with lock-off button
Side handle: 2 positions
Guard: Tool-free adjustment
Wheel change: Quick-change wheel release, wrench-free
Color: Yellow
Warranty: 3-year limited

Specifications

color: YellowSource
size: 4 1/2"Source
Battery chemistry: Lithium IonSource
Battery type: 20V MAX*Source
Battery voltage

Questions and answers

Does this include a battery?: No, this is the bare tool (DCG412B). You will need to use your existing DeWALT 20V MAX lithium-ion batteries or purchase them separately.
What size wheels does this grinder use?: It is compatible with both 4-1/2 inch and 5 inch wheels, providing flexibility for different cutting and grinding depths.
Is the motor brushless?: No, the DCG412B uses a high-performance brushed motor. For a brushless version, you would look at the DCG413 or DCG405 models.
Can the guard be adjusted without tools?: Yes, it features a tool-free guard adjustment that allows you to reposition the shield quickly for different angles.
Where is the DeWALT Max 4-1/2" / 5" 20V Cordless Grinder DCG412B (Bare Tool) cheapest?: At Walmart, for $104.99, as of our latest check.
What do buyers say about the DeWALT Max 4-1/2" / 5" 20V Cordless Grinder DCG412B (Bare Tool)?: Rated 4.5 out of 5 from 57 ratings.