Manufactured from High Quality HSS M2-AL Material, with an added Titanium Nitrate (TiN) Coating. TOOLVISOR Spiral Fluted Step Drills are a multi-layered premium tool designed to cut holes in sheet metal materials, with a thickness of up to 4 mm. The Titanium Nitride coating significantly increases the tool life by providing the following benefits:.
Increased surface hardness to 85HRC.
Ceramic surface, reducing friction by up to 30%.
Especially resistant to cold welding.
Suitable for cutting a wide range of materials
