Bosch twist drill hss co din 338 straight shank bosch 2608585872 these hss co twist drills from bosch comply with din 338 and have straight shanks metal drill bits hss co standard line din 338 1 x 12 x 34 mm pack of 10 bosch 2608585872 twist drill hss co din 338 straight shank 1 x 34mm 10 pcs