3pcs 4-12/20/32mm HSS Titanium Step Cone Drill Bit Hex Shank Hole Cutter
Specification:
Material | HSS Steel |
Finish | Titanium |
Length | 6.7cm/ 7.4cm/10.2cm |
4-12mm | 4mm, 6mm, 8mm, 10mm, 12mm |
4-20mm | 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 14mm, 16mm, 18mm, 20mm |
4-32mm | 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm |