RUKO STEP DRILL HSSE GR. 4 3/16-7/8"9Z072629
Ruko step drill hss gr. 21Q605893
Ruko step drill hss sp gr. 1, tialn6J771203
Ruko step drill hss sp gr. 5, titan7L346796
Ruko step drill hss sp gr. 2, tialn4X023761
Ruko step drill hss tialn gr. 155L371283
Ruko step drill hss sp gr. 7, tialn7D789264
Step drill drilling range 4–39 mm HSS spiral-grooved no. of cutters 2 no. of ste2Z860697
Ruko ULTIMATECUT step drill HSS RUnaTEC with FLOWSTEP® No.11F652008
Ruko step drill hss sp gr. 2 tin9P158266
Ruko step drill hss sp gr. 2 tialn7X185153
Ruko step drill hss tin gr. 10R299702
Ruko step drill hss sp gr. 09 tin1W018151
Step drill drilling range 6–30.5 mm HSS spiral-grooved no. of cutters 2 no. of s2B138327
Ruko Step drill HSS, CBN ground,spiral fluted with split point, short design6Y333291
Ruko Step drill set HSS-TiN spiral fluted, sizes 0/9, 1, 2 in plastic case - 3 pcs7Q960813
Step drill drilling range 6.5–40.5 mm HSS spiral-grooved no. of cutters 2 no. of2I680969
Step drill drilling range 6–38 mm HSS spiral-grooved no. of cutters 2 no. of ste7U316845
Dormer Step Drill 6.6-11mm HSS 11mm Shank6K083737
Dormer Step Drill 4.5-9mm HSS 9mm Shank1Q267085