Irwin 91136 Silver and Deming Drill Bit, 9/16 in Dia, 6 in OAL, Spiral Flute, 1/2 in Dia Shank, Flat, Reduced Shank lawn-garden--07-13-26 Self-centering jig fits all common

Self-centering jig fits all common door widths

Hardened and tempered bow springs assure uniform tension without side play

Cushion-Grip Handle

(WATERPROOFER MASONRY PROT - 6467104 - TH

Irwin 91136 Silver and Deming Drill Bit, 9/16 in Dia, 6 in OAL, Spiral Flute, 1/2 in Dia Shank, Flat, Reduced Shank lawn-garden--07-13-26 Self-centering jig fits all commonM7 HSS for strength, heat resistance and wear resistance when drilling in wood, metal or plastic. Can be used with keyless chuck. Three flatted shank design provides better chuck grip and reduces slippage. All silver and deming bits are 6 in long and feature a 1 2 in reduced shank that fits all 1 2 in drills. Bit is constructed of M7 HSS for high resistance to abrasion during tough drilling applications Three flatted shank design provides better chuck