Cobalt Stub Drill Bits
Cobalt Stub Length Drill Bits are a combination of high-speed steel (HSS) and a percentage of cobalt (HSS-Co or HSSE). Performacut cobalt stub drills contain between 5% and 7.5% cobalt. Cobalt stub drills are ideal for use on screw machines, sliding head lathers and thinner gauge materials. With high production drilling solutions for alloyed steels, stainless steels and titanium alloys in different flute styles.