Description: XT Cobalt Step Bit cuts clean, smooth holes in mild steel, copper, brass, aluminum, fiberglass, plastic, wood, and laminates. Features: • Unique split–tip design penetrates through steel faster. • Resists walking or skidding, even on round surfaces. • Balanced, double–flute construction requires less pressure, does the work for you. • Designed and manufactured in USA. • Multi–hole bits allow you to drill a hole in any of the stated diameters. Specifications: Overall Length 3–9/16 Minimum Chuck Size 3/8 Maximum Material Thickness 10 gauge Capacity Cut up through 3/8 * mild steel, copper, brass, aluminum, wood, plastic and laminates. Hole Sizes 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16 and 7/8 |