Ruko step drill hss tin gr. 4 3/16-7/8"2K614577
Ruko step drill hsse gr. 7 3/8-1/2"2L028196
Ruko step drill tialn gr. 4 3/16-7/8"2M270370
Ruko step drill hss sp gr. 11, tialn5C365326
Ruko step drill hss tialn gr. 178Z128296
Ruko step drill hss sp gr. 7, tialn7D789264
Ruko step drill hss gr. 097D841246
Ruko step drill hsse gr. 9 7/8-1 1/8"9P447909
Ruko step drill hss gr. 6 7/8-1 3/8"0Q339190
Ruko step drill hss tialn gr. 5 13/32-1"3K964887
Ruko step drill hss gr. 7 3/8-1/2"6A760464
Ruko step drill hss gr. 12L733601
Bahco Step Drills for Metal sheet 4 mm-22 mm1L807704
Ruko Step drill HSS, CBN ground,spiral fluted with split point, short design6Y333291
Ruko Step drill 6-12MM9E058064
Ruko Step drill HSS, CBN ground,spiral fluted with split point, short design0Z577500
Dormer Step Drill 6.6-13mm HSS 13mm Shank9W038700
Ruko step drill hss sp gr. 09, titan7W057468
Ruko step drill tialn gr. 9 7/8-1 1/8"8S331489
Ruko step drill hss sp gr. 1 tin3G125971