4-12/20/32mm HSS Hex Shank Spiral Groove Step Cone Drill Bit Hole Cutter
Specification:
Cutting material: thin iron plate, aluminum material, insulating board, PVC board wood, thickness within 4mm
Size | Step | Length |
#001 4-12mm | 9 Steps (4mm, 5mm,6mm,7mm,8mm, 9mm,10mm,11mm,12mm) | 7cm |
#002 4-20mm | 9 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm,18mm,20mm) | 7.3cm |
#003 4-32mm | 15 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm,28mm, 30mm, 32mm) |
10cm |
#004 3pcs/set | 3pcs/set (4-12/20/32mm) |
1 x Step Drill
More Details: