4-32mm Titanium Coated HSS Step Drill Bit - HSS432

HSS432
HSS Titanium Coated Step Drill Bit 1/4" Hex Shank Quick Change High Speed Steel Cone Drill Bits for Wood, Plastic, Sheet Metal Hole Drilling - Metric 4-12mm
Feature:
- HSS combined with a titanium coating, this step drill set performs well in heat, corrosion and rust resistance.
- Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake. 1/4" Hex shaft drives are suitable for all kinds of for home DIY power drills.
- 4mm - 32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm)
- Perfect Step Drill Bits suitable for drill holes in various material： within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.