
The Sutton Tools 4-25mm Supa step drill bores a range of hole sizes with a single bit, stepping from 4mm up to 25mm across 11 steps. Made from high-speed steel with a TiAlN coating and a spiral flute, it is built for clean, controlled holes in sheet metal, aluminium, plastic and fibreglass.
The spiral flute helps clear swarf for smoother cutting, while the TiAlN coating adds wear resistance for longer life on tougher work. A capable step drill for sheet-metal, panel and fabrication jobs where you need accurate, deburred holes across a wide size range.
The Sutton Tools 4-25mm 11 Step HSS-TiAlN Spiral Flute Supa Step Drill is a high-performance drilling tool designed for precision and durability. Made from high-speed steel with a TiAlN coating, it is suited to sheet metal, aluminium, plastic and fibreglass, producing clean, deburred holes. The spiral flute aids swarf clearance.
It steps from 4mm up to 25mm across 11 steps.
It is designed for sheet metal, aluminium, plastic and fibreglass.
The titanium aluminium nitride (TiAlN) coating adds wear resistance, helping the high-speed steel drill last longer on tougher work.
The spiral flute helps clear swarf as you drill, giving smoother, more controlled cutting.
