Bosch twist drill set hss g din 338 polished hex shank 2 8mm 7 pcs bosch 2607019922 p these hss g twist drills from bosch comply with din 338 have a polished finish and hexagonal shanks p p 7 piece robust line metal drill bit set hss g 135 2 3 3 4 5 6 8 mm 1 4 hex shank p bosch 2607019922 twist drill set hss g din 338 polished hex shank 2 8mm 7 pcs