Product Information
- 【M35 Grade Cobalt Steel】 Made of strong M35 grade cobalt steel, with 5% cobalt added to form a hardened heat resistant alloy with longer life
- 【9 Size Ranges】 With 9 size ranges from 4mm to 12mm, you can use one drill bit to drill up to 9 holes of different diameters, saving your time and effort to replace the drill bit
- 【Application】Very suitable for drilling new holes or expanding existing holes on stainless steel, and softer metals such as iron, brass, copper, aluminum, etc.
- 【Greater Torsion】This 1/4in hex shank drill bit can be clamped tighter by compatible drill bits and screwdrivers to achieve greater torsion
- 【Smooth Chip Removal】 This is a M35 cobalt containing step drill, which can open holes quickly, cut faster, and remove chips smoothly.
