6 Step Sizes - Step drill bits for metal compatible with 6 Sizes: 3/16'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2''. Meet your different needs, greatly save you the trouble of choosing different step bit.
Durable HSS Drill Bit - The HSS M2(6542) step drill bit has excellent durability and high-speed punching capabilities. Its industrial-grade high-speed steel material allows it to outlast others.
Easy Cut - The titanium coating on the step drill bit enhances its sharpness and reduces heat generated by friction, allowing for easy cutting of iron sheets, aluminum sheets, copper, plastic, wood boards, and various other types of sheet metal.
Revolutionary Design - The dual groove design offers a smoother cut and faster chip evacuation, effectively removing burr chips, dust, and other debris. This design helps prevent chips from flying and enables smoother drilling without heating.
Safe Use - The hex shank enhances safety and stability by securely fastening the step drill bit to power drivers, drills, and press drills, preventing any instances of falling off or slipping during rotation.