Model#: DEWNDCG412B
Condition:
New

What are the different product conditions?

New
Brand new items;Full manufacturer warranty available
Reconditioned
Manufacturer inspected, repaired and tested items; CPO 120 day money back guarantee
Open Box
New or Recon items with possible minor cosmetic damage; CPO 120 day money back guarantee
Certified
Returned items inspected, repaired and tested by CPO technicians; CPO 60 day money back guarantee

Dewalt DCG412B 20V MAX Cordless Lithium-Ion 4-1/2 in. Cut Off Tool (Bare Tool)

  • Note: Battery & Charger sold separately
New $129.00
Recon $99.99
List:
$139.99
Sale Price:
$129.00
You Save
8%
Free Shipping
(continental U.S.)
+
Qty:
-
+
In Stock
Ships Today
or

Details

Features:
  • Delivers 6,500 RPM for quick cutting and grinding applications
  • Equipped with an tool-free adjustable cutting guard that allows for quick repositioning
  • Features a Quick-Change wheel that allows wrench-free wheel changes
  • A two-position side handle puts control and comfort into the user's hands
Includes:
  • 20V MAX Cordless Lithium-Ion 4-1/2 in. Cut Off Tool (Bare Tool) - DCG412B
  • Two-Position Handle
  • Type 1 Cutting Guard
  • Wrench
Downloads:

Specifications

Series: 20V MAX
Cordless: Yes
Weight: 6.6 lbs.
Batteries Included: Bare Tool
Battery Type: Li-Ion
RPM: 7000
Spindle Thread: 5/8 in. - 11
Switch Type: Trigger
Voltage: 20V
Wheel Diameter: 4-1/2 in.

Recommendations

Reviews

4.6 / 5.0
44 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
29
12
3
0
0
Recommendations
Yes, I would recommend this to a friend (37)
No, I would not recommend this to a friend (1)
Pros
Easy To Use (38)
Powerful (30)
Ergonomic Design (18)
Lightweight (1)
Cons
Short Run Time (if applicable) (1)
Best Uses
Frequent Use (1)
Small Projects (1)
Home Repair (1)
Jobsite (1)
Works but has issues
The grinder works well for short duration, light duty cuts and grinding. Don't count on it for anything that requires run times of much more than a couple of minutes before resting the same amount of time.

I was away from my shop and did not have my trusty old corded grinder with me. Lowes was close to the job I was on. I had been wanting a cordless, brushless model, but Lowes did not have that model in stock. Since I had to have a grinder I got this one. It works, but like the previous poster mentioned. It eats batteries. I have two, 2 amp batteries that came with my brushless drill and impact driver set. One of those batteries will run this grinder less that 10 continuous minutes before it shuts off. By that time the battery is so hot that it cannot recharge until it cools. The second battery runs down and heats up before the first battery has cooled enough to charge. So, now I have 2 batteries too hot to recharge. This heat level is not good for the battery life either. One of my 2 amp batteries failed to ever recharge after a couple of these cycles. Dewalt did replace it free of charge, but you have to pay for shipping. So I was without it for over a week while I got around to getting it replaced.

If I let a battery cool but not recharge, it will run my drill or impact driver for a significant time before requiring a charge.

The lesson is, for less that 15 minutes of grinding, you need more than 2 hours of charge time. Dewalt does have 3, 4, 5 and 6 amp 20vMax batteries. I would like to try one but they are expensive and I have not needed one that badly yet. I do wonder if the larger 5 or 6 amp battery will heat up as much as these 2 amps I have. I am surprised the manual does not recommend a battery for this. I notice when you buy a grinder with a battery instead of a bare model, it comes with 5 amp battery

I would hold out for the brushless model if I could do it over. If you have extending grinding to do, get your extension cord out!!!
April 20, 2018
Originally posted at
Amazing tool
Amazing tool going to buy a 5 amp battery though eats the plain 20 volt pretty quick
January 31, 2018
Originally posted at
Awesome Grinder
Very powerful grinder, easy to change discs and easy to handle. Tons of power and will make quick work of most metals. It comes with a grinding wheel so its pretty much ready to go out of the box (if you have battery packs.
January 10, 2018
Originally posted at
Recommendations
Yes, I would recommend this to a friend
Pros
Easy To Use
Ergonomic Design
Lightweight
Cons
Short Run Time (if applicable)
Best Uses
Small Projects
Home Repair
Tool performs well, but you need to have at least 2 heavy duty batteries, i was grinding concrete and even letting the tool glide over the surface that i was grinding, the battery last only 15 min and even letting the tool rest a minute o 2.
September 5, 2017
Describe Yourself:
Avid Do-it-Yourselfer
Recommendations
Yes, I would recommend this to a friend
Pros
Easy To Use
Powerful
Best Uses
Frequent Use
Jobsite
good tool
Great for a quick cut or grind of metal without dragging out a cord. We also put cut off wheels in it and use it to cut rebar, bolts and nails.
December 4, 2016
Purchased
1 year ago
Describe Yourself:
Professional
Recommendations
Yes, I would recommend this to a friend
Pros
Easy To Use
Ergonomic Design
Powerful
BEST TOOL IN THE BOX
LOVE THIS TOOL
August 25, 2016
Recommendations
Yes, I would recommend this to a friend
Pros
Easy To Use
Ergonomic Design
Powerful
Great tool .
Buy 2 big battery''s if your using it on a daily basis. I use it every day for many different jobs. But eats up too much power.
July 6, 2016
Recommendations
Yes, I would recommend this to a friend
Pros
Easy To Use
Ergonomic Design
Powerful
grind away
seems to work just fine
June 22, 2016
Recommendations
Yes, I would recommend this to a friend
Pros
Easy To Use
Ergonomic Design
Powerful
Great tool, nearly new condition. Great cordless grinder.
Great grinder, bought it reconditioned and it looked like new. Don't hesitate to by recon tools from CPO!
June 17, 2016
Recommendations
Yes, I would recommend this to a friend
Pros
Easy To Use
Powerful
A wreaking yard must !
Getting parts in a wreaking yard is a lot better with this tool.
June 17, 2016

Questions & Answers

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 6 questions Browse 6 questions and 12 answers
Is this compatible with the xr 20v battery.
mickey on Apr 16, 2016
BEST ANSWER: Yes, XR and MAX batteries are compatible.
Thank you,
Mark Kamprud
Director of Operations
Vertex Group LLC
The instructions (and this web site) state that the tool comes with a Type 1 cutting guard. But my cutting guard is open faced, not two sided, which I understand to be the Type 27 cutting guard. I also noticed that reviews from another web site state that they received this tool with a Type 27 guard. Which guard did yours come with?
Jim Mancave on Feb 27, 2016
BEST ANSWER: Not the one in the CPO picture, the more one sided open style, and I did buy 2 at 2 different times.
Sent from my iPad
Can I use this to wheel out boats with a 7 inch buffing wheels the riyobe shuts off
f on Feb 15, 2016
BEST ANSWER: No, I would not recommend that unit to buff a boat. The Dewalt DWP849x would be a much better option for what you are trying to accomplish.
will this work with the 20v max lithium ion slide in battery-DCB203 Battery pack??
A shopper on Sep 28, 2017
BEST ANSWER: Yes it will
wil accept a 5 inch blade?
firhooks unlimited, inc on Dec 14, 2014
BEST ANSWER: That unit will not accept a 5 inch blade.
is the motor brushless??
Q H on Jun 20, 2018

New Vs. Reconditioned

What's the difference between New and Factory-Reconditioned?

Factory-Reconditioned products have been returned to the manufacturer and are restored to like-new operating condition; they go through a rigorous testing and inspection process. Plus, they offer a significant savings vs. new.
  • Reconditioned products may have minor cosmetic blemishes or scratches that do not affect item performance.
  • Reconditioned products may not come with all of the consumables the new version comes with (bits, sanding pads/papers, cases, etc.).
  • Both come with a manufacturer warranty and are covered by our Money Back Guarantee; New is 30 days, Reconditioned is 120 days.
Condition: New Factory Reconditioned
Features: Same Same
Specs: Same Same
Includes: 20V MAX Cordless Lithium-Ion 4-1/2 in. Cut Off Tool (Bare Tool) - DCG412B,
Two-Position Handle,
Type 1 Cutting Guard,
Wrench
20V MAX Cordless Lithium-Ion 4-1/2 in. Cut Off Tool (Bare Tool) - DCG412BR,
Two-Position Handle,
Type 1 Cutting Guard,
Wrench
Availability: In Stock In Stock
Warranty: 3 Year Limited 1 Year Limited
Price: $129.00 $99.99
You Save: N/A $29.01 (22%)

Warranty

Most DEWALT® Tools purchased on or after January 1, 2004 come with a warranty package that includes:

Three-Year Limited Warranty. DEWALT will repair, without charge, any defects due to faulty materials or workmanship for three years from the date of purchase. This warranty does not cover part failure due to normal wear or tool abuse. For further detail of warranty coverage and warranty repair information, visit www.dewalt.com or call 1-800-4-DEWALT (1-800-433-9258). This warranty does not apply to accessories or damage caused where repairs have been made or attempted by others. This warranty gives you specific legal rights and you may have other rights which vary in certain states or provinces.

One-Year Free Service Contract. DEWALT will maintain the tool and replace worn parts caused by normal use, for free, any time during the first year after purchase.

90-Day Money Back Guarantee. If you are not completely satisfied with the performance of your DEWALT Power Tool, Laser, or Nailer for any reason, you can return it within 90 days from the date of purchase with a receipt for a full refund - no questions asked.