COMOWARE Step Drill Bit Set, 1/8~1-3/8″ 5Pcs Four Spiral Flute Step Drill Bits for Metal, AITIN Coated Step Bit with 1/4″ Hex Shank for Metal, Stainless Steel, Aluminum, Wood, Plastic M2 1/8″-1-3/8″
A 5-piece COMOWARE step drill bit set with four spiral flutes, M2 cobalt steel construction, and an AlTiN finish. Designed for cleaner, more stable hole-making across 1/8″ to 1-3/8″ in metal and other common materials.