Step Drill Bit Ø 5-35 mm, 13 Stepped Metal Tapered Drill Bit, Stainless Steel Bit Holder, Metal Cutter, for Screwdrivers on Metal Steel, Wood, Brass, Aluminum, Plastic

Metal Floor Drill Bit 13-speed taper drill step drill titanium plated drill bit allows for fast drilling, 50% using time. taper drill bit uses X-shaped opening center point, double spiral groove eliminates chips. drilling round smooth holes. mm. floor drill bit suitable for DIY, carpentry workshops, metal processing. drill holes materials carbon steel, aluminum plate, wood board, PVC board. furniture assembly, pipe installation, decoration projects. Material: High Speed Steel Pitch: 5-35mm 13 steps speed: 1000 rpm electric drill: 36V/48V bench drill holes diameter 14mm floor drill bit.