Greenlee 34403C BIT, STEP #3 COBALT (34403C), 7/8-Inch Multi-Hole

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The Greenlee XT Cobalt Step Bit #3 features a Dual-Flute: Two cutting edges share the load resulting in faster drill times with less force. New split point tip eliminates walking and penetrates 10GA stainless steel in 10 seconds. Cobalt HSS engineered for maximum life on stainless steel. Steam oxide finish runs cooler and extends the life of the bit. Also cuts mild steel, copper, brass, aluminum, fiberglass, plastic, wood and laminates. Capacity: 12 steps. Hole Size : Inches: 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16,3/4, 13/16, 7/8 Millimeters: 4.8, 6.4, 7.9, 9.5, 11.1, 12.7, 14.3, 15.9, 17.5, 19.1, 20.6, 22.2. Maximum Material Thickness : 10 Gauge (3.5mm) Stainless Steel. Minimum Chuck Size : 3/8" (9.5mm). Overall Length : 3.31-inch. In 1862, it started with the Greenlee brothers' barrel-making machines, then woodworking tools. Today Greenlee is the most respected and trusted source for professional grade tools when it comes to installing wire and cable. From hole making and bending to test and measurement, you can depend on Greenlee tools to outlast and outperform the competition every time.