Bosch twist drill hss r din 338 reduced straight shank bosch 2608596649 these hss twist drills from bosch comply with din 338 and have reduced straight shanks metal drill bits hss r din 338 with reduced shank 125 x 101 x 151 mm d 10 mm bosch 2608596649 twist drill hss r din 338 reduced straight shank 125 x 151mm