1. Product Material: HSS CO
2. Specifications: Approx. 0.16 - 0.8 inches (4 - 2
(4, 6, 8, 10, 12, 14, 16, 18, 20 mm/ 0.16, 0.24, 0.31, 0.39, 0.47, 0.55, 0.63, 0.71, 0.79 inch) 9 Steps
Product Key Features: M35 Cobalt Step Drill (HSS Co) is a high hardness step drill bit that is mainly applied to flat surfaces of stainless steel and hardened steel for drilling high hardness steps. You can use the M35 step drill bit to drill holes in stainless steel planes.
Please note: 1. You can use hand drill and bench drill to drill holes in stainless steel planes. Use a hand drill for substrates within 0.04 inch (1 mm) thick, and a tabletop drill for substrates with a thickness of 0.08 - 0.11 inch (2 - 3
2.For stainless steel plates, drilling speed is not too fast. 100 turns enough.
3. To extend the life of the drill bit, add water or cutting fluid to cool down during the process.