Utoolmart Titanium Step Drill Bit Set with Automatic Center Punch,Straight Flutes Hex Shank for Metal Wood Plastic 4pcs

Utoolmart Step Drill Bit Technical Parameters Product Name: Step Drill Bit Material: HSS ‎Finish: Titanium Product Feature 1.Step drill bits with double cutting blades and X-type openings design ensure a faster and smoother cutting. 2.Suitable for drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal. 3.The sharpness and titanium coating ensure easily cut through most sheet metal, plastic and some other materials with ease. Package Content 3 x Step Drill Bit 1 x Automatic Center Punch

• 【Material】- HSS classic high speed steel with titanium coating for strength and longevity.
• 【Design 】- Double spiral groove design for fast chip removal, reducing cutting resistance and avoiding drill slip. Effectively block the damage caused by metal spatter and help to dissipate heat.
• 【Function】- Two-fluted design provides faster, smoother cutting, provided with small pressure and the sets. Stepped grooves prevent slippage in the chuck.
• 【Wide Application】- Perfect Step Drill Bits for home DIY and general building supervision / engineering use. Ideal used to drill holes in various material like iron plate, aluminum plate, wood, PVC sheet, insulation boards, etc.
• 【Note】- High temperature will affect the working life, please use coolant while drilling on metals to ensure the drill bit working properly. Please keep it properly preserved. Avoid falling the bits from high place.