Set of 8 HSS Twist Drill Bits, Metal Steel Drill Bit, HSS Shank Drill Bit Set, Heat Treated Drill Bit Sets 14mm 16mm 18mm 19mm 21mm 22mm 24mm 25mm

Description: This HSS drill bit set is specially designed for professionals and is also suitable for DIY enthusiasts. Made from heat-treated hardened steel, these drill bits are very durable. Features: 1. Made of heat-treated hardened steel, they are very durable. 2. They guarantee a perfect cut every time and are suitable for high-speed drill bits. 3. These high quality HSS drill bits provide reliable performance and high durability for drilling holes in plastic, aluminum/copper with a thickness of 1mm and many other materials. 4. Available in 8 different sizes, they come in a rigid wooden case for easy storage and transport. 5. Suitable for carpenters, builders, electricians, workshops, DIY enthusiasts, craftsmen, hobbyists, stylists, etc. 6. Fits perfectly into the chuck of an electric drill and prevents slipping. Specifications: Material: HSS Shank Diameter: 1/2 inch Stem Type: Triangle Surface treatment: Polishing and nitrogenation Dimensions: 14mm, 16mm, 18mm, 19mm, 21mm, 22mm, 24mm, 25mm Weight: approximately 1788g Length: approximately 150 mm Package Contents: 1 set of twist drills