Description
- Various Sizes: The cone drill bit for metal are compatible with 9 sizes – 5 mm, 7 mm, 9 mm, 11 mm, 13 mm, 15 mm, 17 mm, 19 mm, 21 mm. Meet your different needs and greatly save you the trouble of choosing different unibits
- Durable Drill: The step drill bit for metal has excellent durability and high-speed punching capabilities. Its industrial-grade high-speed steel material allows it to outlast others
- A Must-Have for Handymen and Professionals: The spiral grooved drill bit cuts more smoothly than straight grooved ones, making it easy to drill perfect holes in various materials such as iron sheet, aluminum sheet, copper, plastic and wood board
- Revolutionary Design: The double flute design of this hss drill bit enables smoother cutting and faster chip evacuation, effectively removing burrs, chips, dust and other debris. This design helps prevent chips from flying and enables smoother drilling without generating heat
- Safe Use: The hex shank enhances safety and stability by securely fastening the hole cutter to power drivers, drills, and press drills, preventing any instances of falling off or slipping during rotation