Free Shipping and No Hassle Returns
Free Shipping
We offer free shipping on orders over $199.*
No Hassle Returns
Don’t like it? Send it back. It’s that simple.*
Same Day Shipping
Most orders ship same day if placed by 5PM EST (M-F)
*Restrictions Apply. See Details »
Model#: DEWNDWMT70783

What are the different product conditions?

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

Dewalt DWMT70783 Straight Dual Die Air Grinder

  • Dewalt DWMT70783 Straight Dual Die Air Grinder
Sale Price:
You Save
In Stock
Ships Tomorrow


Dewalt's DWMT70783 Straight Dual Die Air Grinder features a lightweight aluminum body with an ergonomically designed cushion grip for user comfort and ease. This grinder has a touch control trigger for easy user control. It has a 1/4 in. air inlet, works with 1/4 in. and 1/8 in. collets, and has a safety throttle lever for protection. The DWMT70783 grinder offers a rear air exhaust to direct away from the tool and operates at a speed of up to 25,000 RPM.
  • Ergonomically designed cushion grip increases comfort during use
  • Touch control trigger allows you to apply needed amount of power
  • Aluminum body design is tough against harsh environments
  • Rear air exhaust directs air away from you and your work
  • Safety throttle lever prevents you from inadvertently triggering the tool on
  • Straight Dual Die Air Grinder - DWMT70783


Air Inlet Size: 1/4 in.
Collet Size: 1/4 in., 1/8 in.
Operating Speed (RPM): 25,000
Trigger: Touch Control



4.3 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Would you recommend?
Yes (3)
Powerful (2)
Lightweight (2)
Yes, I would recommend this to a friend
Better than expected
The item was just as advertised. I couldn't ask for anything better. Price and quality amazing.
June 2, 2016
Yes, I would recommend this to a friend
I would buy it again
Great small progects
September 4, 2015
Yes, I would recommend this to a friend
Great little grinder. Works like a charm.
Just what I was looking for. A little present for myself.
December 15, 2015

Questions & Answers

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 1 question Browse 1 question and 1 answer
Does this come with the connection for a quick connect?
steven on May 5, 2016
BEST ANSWER: That unit does not come with the quick disconnect fitting.


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 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.