Straight Shank Reamer DIN212 ISO521 High speed steel,H7 Straight Shank Reamer DIN212 ISO521.HSS Tolerance H7Available in straight/spiral Flute. DLll1dZmmmmmmmmmm24911242,042,25312262,242,55714272,542,86115282 ... ,0610133384610,0611142414610,0612151444610,0813151444610,0814160475012,5815162505012,5816170525012,58 Din212 ISO521 straight shank reamer high speed steel