Bosch twist drill set hss g din 338 straight shank bosch 2607010535 these hss g twist drills from bosch comply with din 338 and have straight shanks 10 piece robust line metal drill bit set hss g 1 2 3 4 5 6 7 8 9 10 mm din 338 135 bosch 2607010535 twist drill set hss g din 338 straight shank 1 10mm 10 pcs