I've got a set of cobalt bits (going on 10yrs) they work great. I have built my crawler and worked on other various projects at home throughout those 10 years. I have broken a few, mostly my fault.
X 20 on anything that has points like this. I also have a set from a tool truck guy as they were the only place i saw them at the time. Now I have seen knock-offs around but have not tried.Anything with a warranty, cobalt like mentioned above. Some of the new drill bits have a pilot tip built into them which makes the bits last longer. I have a set like these but from a tool truck.
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KnKut 29KK10 29 Piece Mechanics Length Step Point Drill Bit Set
Buy KnKut 29KK10 29 Piece Mechanics Length Step Point Drill Bit Set with an everyday low price and fast shipping! JB Toolswww.jbtools.com
I bought mine from MAC a couple years ago. The only reason I buy off the truck is for warranty purposes. My tool guys will make special deliveries and go out of their way to help. Prob a good way for them to keep in business in this crazy time.These Norseman bits have been awesome!
Pretty sure they make them for Matco, less than half the tool truck price on the Amazon
Norseman 22903 1/16 in. - 1/2 in. Super Premium Black and Gold Oxide Hi-Molybdenum Steel Drill Bit Set, 29-Piece, grey https://a.co/d/9uFtk0I