Carbide vs. Cobalt Drill Bit. Which is Better & Why?
2021-10-1u2002·u2002Cobalt bits are made of HSS with cobalt blended into the alloy mix whereas carbide bits are made of sintered tungsten carbide. Carbide drill bits are generally more expensive than cobalt but can withstand higher temperatures and have greater wear resistance. This leads to longer tool life, often offsetting the cost difference.Get Price