StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • Contact
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.·2222 Ponce de Leon Blvd, Miami, FL 33134·support@deal.ai
TermsPrivacy
Deal.ai › DeWalt
DEWALT
DeWalt DCG408B 20V MAX Brushless Cordless 4 1/2 in. Paddle-Switch Grinder (Tool Only)

DeWalt DCG408B 20V MAX Brushless Cordless 4 1/2 in. Paddle-Switch Grinder (Tool Only)

Best price now

$119.00at ToolupChecked Nov 8

Prices are checked against each store and labelled with when.

Visit Toolup

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Last seen at $119.00 at Toolup on Nov 8.

Our take on the DeWalt DCG408B 20V MAX Brushless Cordless 4 1/2 in. Paddle-Switch Grinder (Tool Only)

The DeWalt DCG408B is a cordless 4 1/2 in. angle grinder in DeWalt's 20V MAX battery system, sold as a bare tool. Its brushless motor holds speed under load, and overload protection shuts the tool down before it overheats. It takes 4 in. to 5 in. wheels and ships with both Type A and Type B guards for 62841 compliance, plus mesh screens that keep debris out of the internals. It suits tradespeople already on the 20V MAX platform who want a paddle-switch grinder for cutting and grinding without a cord; rivals like Makita's 18V grinders are lighter and more compact, while DeWalt's own FlexVolt grinder delivers more power for heavier work.

Best forContractors already using DeWalt 20V MAX batteriesCutting rebar and threaded rod on siteMetal grinding and weld cleanup away from outletsPaddle-switch users who prefer trigger-style control
Pros
  • Brushless motor maintains constant speed under load
  • Overload protection guards the motor in heavy cuts
  • Accepts 4 in. to 5 in. wheels for flexibility
  • Ships with Type A and Type B guards for 62841 compliance
  • Mesh screens keep debris out of internal components
  • Paddle switch allows quick start and stop
Cons
  • Bare tool: battery and charger sold separately
  • Bulkier and heavier than compact 18V rivals
  • Runtime limited by the 20V battery you pair it with
  • No variable-speed dial on this model

DeWalt DCG408B 20V MAX Brushless Cordless 4 1/2 in. Paddle-Switch Grinder (Tool Only) prices at every store

  • ToolupNew

    In stockReturn policy

    $119.00Checked Nov 8
    Visit Toolup

What reviewers say

Owners of DeWalt's 20V MAX brushless grinders generally report strong power for a cordless tool and reliable speed under load. Complaints center on the bare-tool packaging and on runtime with smaller batteries.

What people mention
  • PowerPraisedOwners say the brushless motor keeps speed up during sustained cutting and grinding.
  • Overload protectionPraisedUsers report the tool shuts down rather than burning out when pushed hard.
  • Battery runtimeMixedRuntime is fine for light jobs but heavy grinding drains packs fast.
  • Bare toolCriticisedBuyers note the battery and charger are not included and must be bought separately.
  • WeightCriticisedSome users find it heavier and bulkier than compact corded grinders.

About the DeWalt DCG408B 20V MAX Brushless Cordless 4 1/2 in. Paddle-Switch Grinder (Tool Only)

The DEWALT DCG408B is a 20V MAX brushless cordless 4 1/2 in. paddle-switch angle grinder. It maintains constant speed under load and has overload protection. The brushless motor delivers up to 850 MWO and up to 9,000 RPM with no load.

It accepts 4 in. to 5 in. wheels and includes both Type A and Type B guards for 62841 compliance. Mesh screens help keep debris out of the internal components. The paddle switch starts and stops the grinder.

Anti-rotation features include a Kickback Brake and E-Clutch. The grinder weighs 3.55 lbs as a bare tool. It is sold as a tool only: the battery and charger are sold separately.

Voltage
20V MAX
Motor
Brushless, up to 850 MWO
Speed
Up to 9,000 RPM (no load)
Wheel size
4 in. to 5 in.
Switch
Paddle switch
Safety features
Kickback Brake, E-Clutch, overload protection
Guards
Type A and Type B, clip-on guard
Run time
Up to 56 cuts of 1/2 in. rebar
Weight
3.55 lbs (bare tool)
Power source
Battery and charger sold separately
In the box
4 1/2 in. grinder, side handle, clip-on guard, inner and outer flange, hex wrench

Questions and answers

Does the DCG408B come with a battery and charger?
No. It is a bare tool; battery and charger are sold separately. It runs on DeWalt 20V MAX packs.
What wheel sizes does it accept?
It takes 4 in. to 5 in. wheels and includes both Type A and Type B guards for 62841 compliance.
How does it compare with DeWalt's FlexVolt grinder?
The 20V MAX model is lighter and runs on the batteries most DeWalt users already own. The FlexVolt grinder delivers more power for heavy continuous work.
What is in the box?
The grinder, side handle, clip-on guard, inner and outer flange, and hex wrench.
Is it good for cutting rebar?
Yes. DeWalt rates it for up to 56 cuts of 1/2 in. rebar per charge, depending on the battery used.
Does it have a variable-speed dial?
No. This model uses a paddle switch with fixed speed and overload protection.
Where is the DeWalt DCG408B 20V MAX Brushless Cordless 4 1/2 in. Paddle-Switch Grinder (Tool Only) cheapest?
At Toolup, for $119.00, as of our latest check.

More from DeWalt

  • D
    DeWalt DCG410WW1 20V MAX XR Brushless Cordless 4-1/2 in. - 5 in. Angle Grinder Kit
    DeWalt DCG410WW1 20V MAX XR Brushless Cordless 4-1/2 in. - 5 in. Angle Grinder Kit
  • D
    DEWALT 20V MAX* XR Brushless Cordless 4-1/2-In. - 5-In. Angle Grinder Kit
    DEWALT 20V MAX* XR Brushless Cordless 4-1/2-In. - 5-In. Angle Grinder Kit
  • D
    DEWALT 20V MAX XR DCG411VSB Cordless Grinder, Tool Only
    DEWALT 20V MAX XR DCG411VSB Cordless Grinder, Tool Only
  • D
    DEWALT 20V MAX XR Brushless 4-1/2 In. / 5 In. Cordless Angle Grinder (Tool Only)
    DEWALT 20V MAX XR Brushless 4-1/2 In. / 5 In. Cordless Angle Grinder (Tool Only)
  • D
    DeWalt 20V MAX 4-1/2 in. - 5 in. Brushless Variable Speed Paddle Switch Grinder (Tool Only) DCG410VSB
    DeWalt 20V MAX 4-1/2 in. - 5 in. Brushless Variable Speed Paddle Switch Grinder (Tool Only) DCG410VSB
  • D
    DEWALT DCG410B 20V MAX XR Brushless Cordless 4-1/2 - 5 in. Angle Grinder (Tool Only)
    DEWALT DCG410B 20V MAX XR Brushless Cordless 4-1/2 - 5 in. Angle Grinder (Tool Only)
  • D
    DeWalt DCG413H1 20V Max XR Brushless Cordless 4-1/2 In. Paddle Switch Small Angle Grinder Kit with Powerstack 5.0 Ah Battery
    DeWalt DCG413H1 20V Max XR Brushless Cordless 4-1/2 In. Paddle Switch Small Angle Grinder Kit with Powerstack 5.0 Ah Battery
  • D
    DeWalt DCG410WW1 20V Max XR Brushless Cordless 4-1/2" - 5" Angle Grinder Kit with XR POWERPACK
    DeWalt DCG410WW1 20V Max XR Brushless Cordless 4-1/2" - 5" Angle Grinder Kit with XR POWERPACK
  • All DeWalt deals and products →

    More angle grinders

    • D
      DeWalt 20V MAX XR Cordless 4-1/2 to 5 in. Angle Grinder with Brake Tool Only
      DeWalt 20V MAX XR Cordless 4-1/2 to 5 in. Angle Grinder with Brake Tool Only
    • 2
      20V MAX XR Brushless Cordless Angle Grinder, 4.5 in to 5 in dia
      20V MAX XR Brushless Cordless Angle Grinder, 4.5 in to 5 in dia
    • D
      DEWALT 20V MAX XR Cordless 4-1/2" - 5" Angle Grinder (Tool Only)
      DEWALT 20V MAX XR Cordless 4-1/2" - 5" Angle Grinder (Tool Only)
    • M
      Milwaukee M18 FUEL 2888-20 4-1/2 in. / 5 in. Variable Speed Braking Grinder
      Milwaukee M18 FUEL 2888-20 4-1/2 in. / 5 in. Variable Speed Braking Grinder
    • A
      AG 4S-22 cordless angle grinder
      AG 4S-22 cordless angle grinder
    • D
      DEWALT 20V MAX XR Brushless Cordless 4-1/2 in. - 5 in. Variable Speed Slide Switch Grinder (Tool Only) (DCG411VSB)
      DEWALT 20V MAX XR Brushless Cordless 4-1/2 in. - 5 in. Variable Speed Slide Switch Grinder (Tool Only) (DCG411VSB)
    • D
      DeWalt 60V MAX Angle Grinder with 20/60V MAX FLEXVOLT 12Ah Battery
      DeWalt 60V MAX Angle Grinder with 20/60V MAX FLEXVOLT 12Ah Battery
    • M
      Milwaukee M18 Fuel 4.5-Inch Variable Speed Braking Grinder
      Milwaukee M18 Fuel 4.5-Inch Variable Speed Braking Grinder