Irwin 91140 Silver and Deming Drill Bit, 5/8 in Dia, 6 in OAL, Spiral Flute, 1/2 in Dia Shank, Flat, Reduced Shank

M-7 high-speed steel 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 M-7 high-speed steel for high resistance to abrasion during tough drilling applications
• Bit is constructed of M-7 high-speed steel for high resistance to abrasion during tough drilling applications
• 3-flatted shank design provides better chuck grip and reduces slippage that is ideal for use in keyless chucks
• All Silver and Deming bits are 6 in long and feature a 1/2 in reduced shank that fits all 1/2 in drills