8mm cobalt drill bit for hard metal - M35 cobalt drill bit by TTP HARD drills
Star M Japanese F-Style Anti-Burr Drill Bits with Hex Shank — Taylor Toolworks
8mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit of 1pcs with Straight Shank to Cut Through Hard Metals Such as Stainless Steel and Cast Iron, 5% Cobalt M35 Grade
Eastwood 5/16in Replacement Spot Weld Drill Bit
Metal Drill 4-8mm HSS Twist Drill Bit, Extra Long 200mm Straight Shank Auger, Used for Metal Plastic Power Tools Wood Metal Drilling Tools (Hole Diameter : 8x200mm), Drill Accessories - Amazon Canada
Fisch 8 mm Metric Brad Point Drill Bit Chrome Vanadium Steel Double Fl — Taylor Toolworks