Step drill drilling range 5.3–30.5 mm HSS spiral-grooved no. of cutters 2 no. of9V142509
Step drill drilling range 4–12 mm HSS-Co5 spiral-slotted no. of cutters 2 no. of4J690307
Step drill drilling range 6–37 mm HSS spiral-grooved no. of cutters 2 no. of ste8Y055875
Ruko Step drill HSS, CBN ground,spiral fluted with split point, short design0K952419
Step drill drilling range 6–37 mm HSS-Co5 spiral-slotted no. of cutters 2 no. of4T159966
Step drill drilling range 4–20 mm HSS-Co5 spiral-slotted no. of cutters 2 no. of2I214090
Step drill drilling range 5–28 mm HSS spiral-grooved no. of cutters 2 no. of ste8J277360
Step drill drilling range 4–39 mm HSS spiral-grooved no. of cutters 2 no. of ste2Z860697
Step drill drilling range 4–20 mm HSS spiral-grooved no. of cutters 2 no. of ste5F400340
Step drill drilling range 6–38 mm HSS spiral-grooved no. of cutters 2 no. of ste7U316845
Ruko Step drill HSS, CBN ground,spiral fluted with split point, short design6Y333291
Step drill drilling range 4–30 mm HSS spiral-grooved no. of cutters 2 no. of ste6E780122
Ruko ULTIMATECUT step drill HSS RUnaTEC with FLOWSTEP® No.11F652008
Ruko ULTIMATECUT Multidrill HSS RUnaTEC, spiral fluted with turbo tip S18P447356
Step drill drilling range 6–32 mm HSS spiral-grooved no. of cutters 2 no. of ste6V884028
Step drill drilling range 6–30.5 mm HSS spiral-grooved no. of cutters 2 no. of s2B138327
Step drill drilling range 6.5–32.5 mm HSS spiral-grooved no. of cutters 2 no. of8P286710
Ruko Step drill HSS, CBN ground,spiral fluted with split point, short design0Z577500
Step drill drilling range 4–39 mm HSS-Co5 spiral-slotted no. of cutters 2 no. of8Y486888
Ruko ULTIMATECUT step drill HSS RUnaTEC with FLOWSTEP® No. 28H238090