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 4–39 mm HSS-Co5 spiral-slotted no. of cutters 2 no. of8Y486888
Ruko ULTIMATECUT step drill HSS RUnaTEC with FLOWSTEP® No. 28H238090
Ruko ULTIMATECUT Multidrill HSS RUnaTEC, spiral fluted with turbo tip L31U708097
Step drill drilling range 6.5–40.5 mm HSS spiral-grooved no. of cutters 2 no. of2I680969
Step drill drilling range 6–26.75 mm HSS spiral-grooved no. of cutters 2 no. of0N443259
Ruko ULTIMATECUT step drill HSS RUnaTEC with FLOWSTEP® No. 0/95O325732
Step drill drill. range 6–25 mm HSS spiral-grooved no. of cutters 2 no. of steps0C254661
Step drill set ULTIMATECUT dm 6-12/6-20/6-27 mm HSS spiral-grooved 3-part plasti6U759963
Step drill drilling range 5.5–38.5 mm HSS spiral-grooved no. of cutters 2 no. of9U230498
Step drill drilling range 6–40 mm HSS spiral-grooved no. of cutters 2 no. of ste5R605331
Ruko Step drill 6-12MM9E058064
Ruko Step drill 6-20MM8W063411