Heller HSS-G Super Twist Drills DIN 338 RN
- Heller 21151 2, These 4mm HSS-G super twist drills from Heller are ideal for drilling in alloyed & unalloyed steel. Sold in packs of 10. Heller 21151 2 0900 HSS-G Super Twist Drills DIN 338 RN 4mm
- 10 Pack