3pcs HSS Step Cone Drill Bit Titanium Hole Cutter Set 3-12/4-42/4-20mm
Specification:
Material | HSS |
Finish | Titanium |
Quantity | 3pcs |
Size | Length | Step |
3-12mm | Approx.5.2cm/ 2.04" | 3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm |
4-12mm | Approx. 4cm/ 1.57" | 4mm, 6mm, 8mm, 10mm, 12mm |
4-20mm | Approx.4.7cm/1.85" | 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 14mm, 16mm, 18mm, 20mm |