99Pcs Cobalt Drill Bits Set HSS-Co Cobalt Bit Titanium for Stainless Steel Metal

16x 1/16" HSS Titanium Coated Twist Drill Bits. - HSS is the most commonly used material for knife pin tools. - 16x 5/64" HSS Titanium Coated Twist Drill Bits. - 15x 3/32" HSS Titanium Coated Twist Drill Bits.

eBay