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 4–20 mm HSS spiral-grooved no. of cutters 2 no. of ste5F400340
Step drill drilling range 4–30 mm HSS spiral-grooved no. of cutters 2 no. of ste6E780122
Ruko ULTIMATECUT Multidrill HSS RUnaTEC, spiral fluted with turbo tip S18P447356
Promat Step drill drill. range 12-20 mm HSS, straight-fluted no. of cutters 2 no. of st5Z078340
Promat Step drill set dm 4-12/4-20/4-30 mm HSS spiral-grooved 3-part plastic box2T008207
Fabory Step Drill 4-20mm HSS 8mm ShankU6315.004.020
Fabory Step drill Spiral Fluted with Split point HSS 9-12 6,0-37,0MMU6315.006.037
Fabory Step drill Spiral Fluted with Split point HSS 4-8 6,0-26,75MMU6315.006.268
Dormer Step drill A412 HSS Vaporised M86U422183
Wera 843 Stepped drill bits, 4-20 mm, 75 mm1N703445
Optima Step drill 13 STEPSX10Q1303.013.010
Milwaukee Step Drill 4-20mm0F653588
Milwaukee Step Drill 4-12mm1B156179
Ruko Step drill set HSS-TiAlN spiral fluted, sizes 0/9, 1, 2 in plastic case - 3 pcs6U420266
Dormer Step Drill 9-15mm HSS 15mm Shank3N926327
Optima Step drill 9 STEPSX8Q1303.009.008
Milwaukee Step Drill PG7-PG21 Steel 10mm Cylindrical Shank 68mm0S025493
Facom Step Drill 6-38mm HSS 10mm Cylindrical Shank 100mm4Z941840