Heller HSS-Co Cobalt Twist Drills DIN 338 RN - Heller 21261 8, These 2mm HSS-Co cobalt twist drills from Heller are equipped to tackle the toughest drilling jobs in stainless steel and metal. They are made from a special HSS steel with a 5% cobalt content. Sold in packs of 10. Heller 21261 8 0990 HSS-Co Cobalt Twist Drills DIN 338 RN 2.0mm - Pack Of 10
