Heller HSS-G Super Twist Drill DIN 340 Extra Long
- Heller 21384 4, These 3.5mm HSS-G super twist drills from Heller are extra long so can drill to greater depths. Sold in packs of 10. Heller 21384 4 0903 HSS-G Super Twist Drill DIN 340 Extra Long 3.5mm, Pack of 10