Collection:Drill Bits

View Tameson's range of drill bits. Tameson supplies twist drills (DIN 338/DIN 345) in rolled (HSS-R), polished (HSS-G) and polished, cobalt-alloyed (HSS-G Co 5) quality; we also supply cone countersinks (DIN 335), counterbores (DIN 373), sheet metal drills and step drills made of HSS-G and HSS-G Co 5 for metal cutting. For machining stainless steel, use tools made of HSS-G Co 5 with sufficient cutting oil.