Description of High Speed Titanium Coated Cutter Impact
HSS step cone drill bit set hole cutter is made from high quality HSS steel, and with the Titanium coated to reduce friction and overheat. The step drill bits works great in making a smooth, clean and perfectly round hole. Easy to carry with the customized pouch. With 3 pcs 10 stage + 5 stage + 9 stage step drill, you can drill different sizes from small holes to big holes. (please take reference of the detail picture in the product page). The titanium step drill bit set adopts groove design, help the electric drill clamp it more firmly, prevent sliding or falling off during rotation. This step drill bit set is perfect for drilling thin stainless steel & carbon steel plate, aluminium plate, iron plate and other materials.