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 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

• Irwin Tools 3016026 Single Cobalt High-Speed Steel Drill Bit with Reduced Shank, 13/32 x 5-1/4
• 13/32"

Irwin Tools 3016026 Single Cobalt High-Speed Steel Drill Bit with Reduced Shank, 13/32 x 5-1/4IRWIN