General description The AlwaysH HSS Metal Step Drill Bit is a professional-grade tool designed for efficient drilling in various materials. Made from high-speed steel and featuring a titanium coating, this step drill bit ensures fast, comfortable, and friction-free drilling. It comes with a compact case for easy storage and transport. Technical specifications Material: High-Speed Steel Titanium Coating: Provides resistance to corrosion, heat, and rust Drill Sizes: 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 Usage Suitable for drilling holes in plastic, copper, aluminum, and various types of sheet metal Not suitable for stainless steel For optimal performance, pour water to cool the drill bit during use Other information Fast drilling due to double cutting blades Note: Manual measurement may allow for a 1-3 cm error; color may vary due to lighting and display differences