Heller HSS-Co Cobalt Twist Drills DIN 338 RN
- Heller 21342 4, These 10.2mm HSS-Co cobalt twist drills from Heller are equipped to tackle the toughest drilling jobs in stainless steel & metal. They are made from a special HSS steel with a 5% cobalt content. Sold in packs of 5. Heller 21342 4 0990 HSS-Co Cobalt Twist Drills DIN 338 RN 10.2mm
- Pack Of 5