Ruko step drill hss gr. 12, titan3A288876
Ruko step drill hss sp gr. 9, tialn3X546849
Ruko step drill hss tin gr. 2 1/8-1/2"3Y466748
Ruko step drill hss tialn gr. 143Y924914
Ruko step drill hss tialn gr. 8 7/8"3Z986753
Ruko step drill hss sp gr. 8, titan9N938607
Ruko step drill hss gr. 3 1/4-3/4"9O380115
Ruko step drill hss tialn gr. 2 1/8-1/2"8H924741
Ruko step drill hss sp gr. 1 tialn8H927777
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
Ruko Step drill HSS, CBN ground,spiral fluted with split point, short design0Z577500
Fabory Step Drill 5-28mm HSS 10mm ShankU6315.005.028
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
Ruko step drill hss sp gr. 9, titan5V096804