Silatu Step Drill Bit

【HSS And Titanium Coating】: Step drill bit made of industrial high-speed steel have excellent durability and high-speed punch. Titanium coating improves the step drill bit sharpness and reduces the heat generated by friction to easily cut metal sheets. Meet your different needs, greatly save you the trouble of choosing different step drill bit. 【Innovative Design】: The 118° split-point tip design of the step drill bit increases the cutting speed while preventing off-center line when drilling. 3 Flat Shank design for increased safety and stability, the step drill bit can be better fixed to the pistol to prevent falling off and slipping during the rotation. 【Dual Groove Design】: Step drill bit grooves provide a smoother cut that removes burr chips, dust and chips for faster chip evacuation, while helping to prevent chips from flying, allowing for smoother drilling without heating. 【Compatibility】: Drill a small (about 1/8 inch) pilot hole before using the step drill bit, it can drill up to 0.2mm thickness of plastic, wood, fiberglass .