Dewalt Cobalt Drill Bit - 3/8''

The Dewalt bits are built for speed and long life, it powers through hard metals with ease so you can get the job done quickly and efficiently. A split point tip starts on contact and eliminates bit walking and increases control. Fabricated of heavy-duty cobalt which provides 4 times more life than black oxide. It delivers maximum speed and life in stainless steel and other hard metals. This product is backed by a 30-day satisfaction warranty.

Diameter :3/8'' (0.95 cm)
Component :Cobalt
Utilization :Metals
Warranty :30-day satisfaction warranty
Packaging :1 Unit
Point Type :Split point tip
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Dewalt Cobalt Drill Bit - 3/8'' is rated 4.9 out of 5 by 20.
Rated 5 out of 5 by from worked great! I was using bed frame angle iron as brackets and braces for a trailer I was assembling. it turns out bed frame metal is hardened and HSS drill bits wont drill through it even with a drill press and freshly sharpened drill bits. I researched it and it turns out cobalt bits can drill through it just fine. I drilled upwards of 40 holes in the angle iron pieces with this cobalt bit without any issues. always use cutting or tapping fluid(or used engine oil in a pinch) to keep the bit from overheating while drilling.
Date published: 2017-01-28
Rated 5 out of 5 by from 3/8-in Cobalt Twist Drill Bit The bit worked just as it should drilling through 1/8" stainless steel. I was very satisfied with the result.
Date published: 2016-07-22
Rated 5 out of 5 by from Great drill bit. Went through 3 titanium bits. Finally got smart paid a little more for cobalt. Went through the steel and stayed sharp. Like the point it helps with the wzlking around by the bit. Still used center punch to start with.
Date published: 2018-07-18
Rated 5 out of 5 by from Cobalt is the way to go. I used this bit on a project drilling holes in 1/8” mild steel plate. I was able to drill approximately 12 holes so far and the bit seems as sharp as new. I would have used several standard bits by now. Cobalt is the way to go. [This review was collected as part of a promotion.]
Date published: 2019-07-07
Rated 5 out of 5 by from Works well on metal Used the bit to drill on my truck frame. As long as you use cutting fluid it performs well.
Date published: 2018-05-09
Rated 4 out of 5 by from very good drill bit De Walt is not my favorite brand. But their cobalt bits are as good as anyone's. A cobalt bit is much stronger than a standard HSS. It's good on almost anything. I will say that I particularly like the De Walt specialized starter tip. It works well to keep the bit from skating on the material. Costs a bit more, but it is worth it.
Date published: 2018-02-28
Rated 5 out of 5 by from Cuts Great Wore out several bits trying to drill through heavy angle iron. Got one hole drilled in about 45 minutes of aggravation. Got the Dewalt bit and finished the final 3 holes in less than 3 minutes. Sure helps when you have the right equipment! [This review was collected as part of a promotion.]
Date published: 2018-10-15
Rated 5 out of 5 by from Drill through thick steel Needed to drill through some thick steel. Set to low rpm on drill setting and apply some motor oil to area and this bit had no problem. Drilled multiple holes for some anchor points to hang cable and string lights.
Date published: 2018-04-04
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