Step Drill Bit 4-32mm HSS Step Cone Drill Spiral Groove Wood Metal Hole Cutter Core Drilling Tools

Features: This is the New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter, which is made from high quality HSS steel, and with the Titanium coated to reduce friction and heat It is very suitable for using to cut holes in a variety of materials including thin steel, brass, wood, plastic, etc Specification: Material:High speed steel (HSS) Shank: 10mm Flute: Spiral Size:4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm,26mm,28mm,30mm,32mm15Steps Package Includes: 1pc Spiral Groove Cone Drill Bit