Heller HSS-Co Cobalt Twist Drills DIN 338 RN - Heller 21243 4, This 10mm 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.
Heller 21243 4 0990 HSS-Co Cobalt Twist Drill DIN 338 RN 10.
0mm - Single