About this product

4-12 mm (4, 5, 6, 7, 8, 9, 10,11,12mm)

4-20 mm (4, 6, 8, 10, 12, 14, 16, 18, 20mm)

5-21 mm (5, 7, 9, 11, 13, 15, 17, 19, 21mm)

5-27 mm (5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27mm)

4-32 mm (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm)

Main Functions Of Product:

M35 cobalt step drill (HSS Co) is a high hardness step drill bit that is mainly applied for drilling high hardness steel, such as, the stainless steel plane and hardened steel. M35 step drill bit can be utilized to drill holes in the stainless steel plane.

The following points that you need to pay attention to: