Rotary Drills - Page 9 - Recent Questions, Troubleshooting & Support
Cobalt vs carbide drill bits - which are better?
Cobalt bits are an upgrade from HSS because of 5-8% Cobalt in an alloy they work good in drilling in hardened or stainless steel.
Carbide drill bits are tough too, but they are the most brittle bits. Carbide-tipped tools are usually used in masonry and stone. Full-body carbide bits are usually used in automated production only.
Solid carbide drill bit
So, actually, the answer to your question is to buy a cobalt bits.
4/21/2021 6:36:06 AM •
Drills
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Answered
on Apr 21, 2021
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