Step Drills Metric Spiral Flute The Pagoda Shape Hole Cutter 4-12/20/32mm Steel Cone Drill Bit Set 1Set(4-12 20 32mm Bag)

Taper Shank Drill BitsStep Drills Metric Spiral Flute The Pagoda Shape Hole Cutter 4-12/20/32mm Steel Cone Drill Bit Set Step Drill Bit 1SetFunction:Deburring, Chamfering, Cutting or expanding holesSupporting tools: Pistol drill, Hand drill, Charging drill, Bench drill. (Water injection cooling while working, it can effectively extend the service life of the drill bit, especially in the case of continuous drilling)Rotating speed:3-12 speed:260-4004-12 speed:260-4004-20 Speed:180-240

• Taper Shank Drill Bits
• Made from high quality HSS steel
• Ideal for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.
• coated to reduce mit and heat
• Heat treated and highly polished. Drills perfectly round holes in steel, brass, plastic, wood etc.
• 3 sided shanks design in order to prevent slippage when in chuck
• Two flute design drives faster, smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps