Irwin Tools 3016030 Single Cobalt Alloy Steel High Speed Drill Bit with Reduced Shank, 15/32" x 5 3/4"

Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel Made from industrial grade High-Speed Steel for increased durability. 8% Cobalt alloy steel is heat and abrasion-resistant 135-degree split-point tip starts drilling immediately with less force and eliminates "walking" across the work surface Bit has a straight shank, Weight: 0.03 Pounds, Manufacturer: IRWIN