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- Out-of-Stock
HSS Step Drill Ø4-20 mm. Step 2 mm. Straight flute. Bright, uncoated. T Line (blister)
TM-11448620420
3221910856540
4 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20mm
Drill bit for precise drilling of steels and plastics thanks to its self-centring sharpening.
Tri-flat shank enables maximum torque transmission and prevents the rotation of the bit in the chuck. Specially adapted for through-holes.