Tools & Gear Drills Step Drills

2604-M2 4-20 x 2mm Spiral Flute Hex Shank M2-HSS Step Drill M2-HSS Hex Shank Spiral Flute Step Drill 4-20mm Bordo step drills are ideal for electrical contractors, sheetmetal workers and auto mechanics. 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. Step drills are designed for drilling repetitive holes in steel, stainless steel, copper, brass, aluminium, plastic, plexiglas, laminates and many other thin materials. Manufactured from premium quality high speed steel with double fluted ground cutting edges for long service life. No pilot hole required. Easy to sharpen. Stepless drilling in the thinnest sheets. Burr-free drilling without sheet deformation. Automatic deburring. Spiral flutes enable easier tool penetration.