Heller 21230 4 0990 HSS-Co Cobalt Twist Drill DIN 338 RN 4.2mm - Single

This 4.2mm HSS-Co cobalt twist drill from Heller is equipped to tackle the toughest drilling jobs in stainless steel and metal. It is made from a special HSS steel with a 5% cobalt content. Sold singly.

• 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 8.2g