Heller HSS-G Super Twist Drill DIN 340 Extra Long
- Heller 24510 4, These 4.1mm HSS-G super twist drills from Heller are extra long so can drill to greater depths. Sold in packs of 10. Heller 24510 4 0903 HSS-G Super Twist Drill DIN 340 Extra Long 4.1mm, Pack of 10