JEI's Turbo™ Gold High Quality Hss M2-al Tin Coated Spiral Fluted Step Drills.  Designed to enlarge or produce holes through sheet metal materials, with a thickness of up to 4 mm.

• Manufactured from high quality HSS M2-AL material with added Titanium Nitrate (TiN) coating, providing long lasting tool life and faster results.
• Double fluted to enable swarf to collect and clear efficiently
• High quality cutting performance.
• Suitable for Steel <1100RM (N/mm²), Mild Steel, Alloys, Stainless and Plastics.
• Shank with 3 flats for better grip in the holding chuck, preventing slipping.
• Requires minimum cooling.
• Spiral flute design ensures smooth cutting action, requires less force during cutting action and provides a burr free hole.
• Supplied as 3 piece set in plastic case

Available in a 3 piece set with a spiral flute tapered cutting edge for premium drilling performance.

3 piece set includes:

Five Steps - Min - 4 mm | Max - 12 mm (4/6/8/10/12)

Nine Steps - Min - 4 mm | Max - 20 mm (4/6/8/10/12/14/16/18/20)

Thirteen Steps - Min - 6 mm | Max - 30 mm (6/8/10/12/14/16/18/20/22/24/26/28/30)

Specification