Product Description Description: Saber step drills are ideal for electrical contractors, sheetmetal workers and auto mechanics. Step drills are designed for drilling repetitive holes in steel, stainless steel, copper, brass, aluminium, plastic, plexiglas, laminates and many other thin materials Specifically engineered for use in impact drivers these step drills are also fully compatible with conventional rotary drills. 1/4″ hex shank facilitates fast tool loading in cordless impact drivers and quick change adaptors Features: No pilot hole required Easy to sharpen Step depth between 4.0-5.0mm Stepless drilling in the thinnest sheets Burr-free drilling without sheet deformation Automatic deburring Spiral flutes enable easier tool penetration Contains: 31-SBM1 4-12 x 1mm Spiral Flute Hex Shank HSS Step Drill 31-SBM2 4-20 x 2mm Spiral Flute Hex Shank HSS Step Drill 31-SBM3 4-30 x 2mm Spiral Flute Hex Shank HSS Step Drill UPC: 9326518168355 Enquiry Tell A Friend