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EnerTwist Metal Drill Bits
Uses & Not Uses:
- All-purpose for use on Wood, Metal, Fiber Glass & Plastics, ideal for drilling on mild steel, copper, Aluminum, Zinc alloy
- Not for use on Concrete, Masonry
Enertwist 230-Piece 118° Tip Titanium Drill Bit Kit Set, ET-DBA-230A
Specifications:
- 230-Pieces set
- Size range 3/64" up to 1/2"
- 118 degree point bit
- High speed steel 4241
- Tough titanium coating
- HRC 63~66
- Round shank
- Organized in plastic storage case
Key Features of EnerTwist Titanium Drill Bit Set
KIT INCLUDES
1* 1/2", 1* 3/8", 2* 23/64", 2* 21/64", 3* 5/16", 2* 19/64", 8* 9/32", 12* 1/4", 8* 15/64", 10* 7/32", 12* 3/16", 10* 11/64", 10* 5/32", 20* 9/64", 20* 1/8", 27* 3/32", 27* 5/64", 27* 1/16", 28*3/64, total 230 pieces
LONGER LIFE
Drill bits made from high grade HSS material and coated titanium nitride to reduce heat buildup, 118° point tip makes them with maximum durability & Lasts x6 more than conventional bits
WELL ORGANIZED
Sponge cushion between the upper and lower halves to avoid bits falling off and mixed after repeated use
TOUGH CASE
Get Solid plastic BMC with metal buckles locks the box easy carrying, size 10.24"* 8.67"* 1.97" (L*W*H)
Lee lincoln
Reviewed in the United States on March 7, 2025
Drillbit works very well. Glad that I bought.
Thomas Evanov
Reviewed in the United States on February 16, 2025
Good for everything but steel. Dug my old bit out of trash and it out performed the new 1/4 in bit. Sad
Fred Zimmerman
Reviewed in the United States on February 15, 2025
Quality and price are as good or better than any bits that you can get at the big box stores. Stop buying a whole bit index, when this set has them all.
Mike Nerenberg
Reviewed in the United States on February 5, 2024
For decent drill bits in a pinch they are great. There are several of each size so if one breaks just grab another one. These are not intended for heavy drilling, but are sufficient to put in the tool bag for various sizes.
deborah
Reviewed in the United States on November 27, 2024
I first reviewed these drill bits as not so good. They were breaking and dulling before the hole had been cut. I found if I re-sharpen the bits , they cut well and they stayed sharper for ta series of holes before I had to re-sharpen them again. I don't think the bits ,out of the box have a good pitch to the cut edge. They are lasting longer and I am happy
Vic S.
Reviewed in the United States on October 10, 2024
Just received my Enertwist drill set today. If each bit only last drilling five holes it is still an outstanding value. I have examined several bits and the quality looks outstanding.
E. Saggese
Reviewed in the United States on May 22, 2020
This is the best deal in Amazon. The bits are about the same quality of those in Home Depot at $15 for a set of 20, so at this price they are an incredible deal. They last about the same as other titanium bits, and don't break easily (today I broke two of the smallest size in a handheld drill, after 16 holes in hardened steel, which is about average for titanium drills in my hand).There are some of the 1/16 that are improperly cut, with a slightly eccentric tip that makes them unsuitable for some tasks (see pic), but it's less than one in ten of the smallest ones and I only saw one of the 3/64s that was slightly eccentric, and none of the bigger ones.About hardness, I made eight holes with a 1/4 bit on the same hardened steel, and I could only see very slight wear on the bit under a microscope at the end (see other pic) which on the same steel caused similar damage on the DeWalt bits I've been using. As always, proper technique is critical for drill bit durability, but if your know how to drill, these will last a very long time.
W. Richman
Reviewed in the United States on January 12, 2020
These are the absolutely worst bits I've ever used. And *I've* used the ones from Harbor Freight! A friend, who is a machinist, was helping me with a project on a milling machine, and I handed him these bits. The first two were completely dull right out of the package - they wouldn't drill Delrin plastic!!! The third one kind of worked, but we ended up switching to another brand because it wobbled and wandered. Since then, I've tried a dozen of them, both in a drill press, and in a hand drill. I was drilling through wood block covering tubing from a bicycle frame. In the hand drill, they struggled through the wood (oak) like I was drilling concrete, and when they hit the steel tubing, they just ... stopped. They'd sit there and spin against the tubing until they got so hot the wood started smoking, without ever penetrating. On the drill press, they would go through the wood, then start to penetrate the tubing, stop cutting (because they're DULL), and snap in two. I pulled out a slightly used Harbor Freight special, and it went through the wood and tubing effortlessly, in both the hand drill and the drill press. With a lot of these bits, you can just look at the end and see that they're ground off-center, or with too much webbing left. Some of them have burrs on the edges, and some have chips missing from the cutting edges. Horrible, horrible quality. You'd stand as much of a chance of drilling a good hole using a sharpened piece of coat hanger wire as you would with these stinky things. I've been buying and using bits for 50 years, and I don't think I can remember any that were as consistently BAD quality as these toys are. I mean, I know they're cheap, crappy bits - you can't get a couple pounds of good drill bits for $40, but I was expecting to at least be able to use each of them once or twice. Please do yourself a favor, and buy something else. I wouldn't wish these on my worst enemy!
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