HSS Step Drill Bit Metal 5-35mm Professional Titanium Cone Drill Bit Step Drill Bit with Case for Wood Plastic Metal

High-quality materials: Our step drill bit is made of high-speed steel and provides fast, comfortable and friction-free drilling; a small case for easy storage and carrying. Titanium coating: The peeling drill bit with titanium coating provides good resistance to corrosion, heat and rust; reduces friction and heat; for a longer service life even at extreme temperatures. 13 drilling sizes: For different hole sizes, you only need one step drill bit; 13 sizes are on the step drill bit for your convenience: 5 mm, 7 mm, 10 mm, 12 mm, 15 mm, 17 mm, 20 mm, 22 mm, 25 mm, 27 mm, 30 mm, 32 mm, 35 mm. Fast drilling: The double-blade design provides faster and friction-free cutting. Please note that during the work of the step drill bit, pour water to cool the step drill bit; The service life of the HSS step drill bit will be effectively extended. Material: The countersink drill bit is suitable for household repairs and light work such as drilling holes in plastic, copper, aluminum and many other types of sheet metal; but not suitable for stainless steel. 5-35mm Metal HSS Step Drill Bit with Small With high speed steel construction and double cutting blade design, the step drill bit provides faster, comfortable and friction-free drilling. The titanium coating ensures this countersink drill bit has excellent durability, ideal for home repairs and easy work such as drilling holes in plastic, copper, aluminum and many other types of sheet metal, but not suitable for stainless steel. With a small case, the drill bit can be easily stored and transported. Features: The HSS step drill bit made of high speed steel and with double cutting blade provides faster, comfortable and friction-free drilling. With a titanium coating, the Step Drill offers good resistance to corrosion, heat and rust. Even at extreme temperatures, the titanium coating guarantees a longer service life. For different hole sizes, you only need one step drill bit, to repair the house and work easily. While the drill is working, pour water to cool the step drill bit. Drilling holes in plastic, copper, aluminum and many other types of sheet metal, but not suitable for stainless steel. Technical data: Step diameter: 5 mm, 7 mm, 10 mm, 12 mm, 15 mm, 17 mm, 20 mm, 22 mm, 25 mm, 27 mm, 30 mm, 32 mm, 35 mm. Material: high-speed steel. Scope of delivery: 1 step drill bit.