Heller HSS-G Super Twist Drill DIN 340 Extra Long
- Heller 21391 2, These 5.5mm HSS-G super twist drills from Heller are extra long so can drill to greater depths. Sold in packs of 10. Heller 21391 2 0903 HSS-G Super Twist Drill DIN 340 Extra Long 5.5mm, Pack of 10