Step drill drilling range 5.5–38.5 mm HSS spiral-grooved no. of cutters 2 no. of9U230498
Ruko Step drills HSS spiral fluted with split point no. 135R605331
Ruko Step drills HSS spiral fluted with split point no. 126V884028
Ruko Step drills HSS spiral fluted with split point no. 82B138327
Step drill drilling range 6.5–32.5 mm HSS spiral-grooved no. of cutters 2 no. of8P286710
Ruko ULTIMATECUT Multidrill HSS RUnaTEC, spiral fluted with turbo tip M25Z729694
Step drill drilling range 5.3–30.5 mm HSS spiral-grooved no. of cutters 2 no. of9V142509
Ruko Step drills HSS spiral fluted with split point no. 98Y055875
Ruko Step drill HSS spiral fluted with split point short design no. 20K952419
Ruko Step drill HSS-Co 5 spiral fluted with cross grinding No. 94T159966
Ruko Step drills HSS spiral fluted with split point no. 78J277360
Ruko Step drills HSS spiral fluted with split point no. 52Z860697
Ruko Step drills HSS spiral fluted with split point no. 37U316845
Ruko Step drill HSS spiral fluted with split point short design no. 16Y333291
Ruko Step drills HSS spiral fluted with split point no. 26E780122
Ruko ULTIMATECUT step drill HSS RUnaTEC with FLOWSTEP® No.11F652008
Ruko ULTIMATECUT Multidrill HSS RUnaTEC, spiral fluted with turbo tip S18P447356
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
Ruko Step drills HSS spiral fluted with split point no. 40N443259