These Spiral Fluted turbo gold step drills are a premium multi layered tool, designed to cut holes in sheet metal materials with a thickness up to 4mm. They are spiral fluted with a split point and manufactured from high quality Turbo Gold HSS M2-AL material with an added Titanium Nitrate Coating. 3 piece set includes 4-12mm, 4-20mm and 6-30mm in a plastic case.
Key Features:
- Long Lasting tool life and faster results
- Required minimal cooling
- Spiral fluted to ensure a smooth cutting action
- Provides a burr free hole
- Required less force during cutting action
- Flat shank for better holding and preventing slippage