Heller 21283 0 0990 HSS-Co Cobalt Twist Drills DIN 338 RN 4.2mm - Pack Of 10

These 4.2mm 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.

• Suitable for metal, non-ferrous metal, stainless steel
• Split point and 135° point angle for optimum, extremely accurate starting
• Precision tool compliant with DIN 338 RN for outstanding accuracy
• Length 75mm
• Weight 76.3g