Irwin® 91148 Silver & Deming HSS Fractional 1/2" Reduced Shank Drill Bit, 3/4" BF10 Each foil layer is bonded

Each foil layer is bonded to a tough layer of polyethylene for strength

Zinc plated for maximum corrosion resistance

easy to grip

fused safety plug

Hardware included for both Wood and T-Posts

Irwin® 91148 Silver & Deming HSS Fractional 1/2" Reduced Shank Drill Bit, 3/4" BF10 Each foil layer is bondedIrwin Silver and Deming High Speed Steel Fractional Drill Bit is made from M 7 high speed steel for high resistance to abrasion during tough drilling applications. Three flatted shank design provides better chuck grip and reduces slippage. Ideal for use in keyless chucks. All Silver and Deming bits are 6" long and feature a 1 2" reduced shank that fits all 1 2" drills. Standard 118 degree point for use in wood, metal, and plastic. Size: 3 4" Twist