HSS Step Drill Conical Metal Drill Bit 4-32mm for Screwdriver on Steel Wood Plastic Welding Guns & Plasma Cutters A8(1994-2010)

A8(1994-2010)

transparent PET body allows you to monitor the separation progress at a glance

corrosion and extreme weather

It comes with an auxiliary connectors

HSS Step Drill Conical Metal Drill Bit 4-32mm for Screwdriver on Steel Wood Plastic Welding Guns & Plasma Cutters A8(1994-2010)HSS Step Drill Bit Our step drill bit is mainly designed for drilling in wood and steel, including metals, aluminum, wood, plastic, etc. Superior Material Titanium coated 4241 (HSS) high speed steel reduces friction. They are more durable than uncoated drill bits and HSS (high speed steel) has a long service life. Multifunctional According to the need to process holes of different diameters, no need to change drill bits and hole positioning, double