• Bit is constructed of 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 Inch long and features a 1/2 Inch reduced shank that fits all 1/2 Inch drills

Irwin® 91136 Reduced Shank Drill Bit, Fractional Drill Size: 9/16 Inch, Point Angle: 118 deg, High Speed Steel, Grade: M-7, Flute Length: 3 Inch, Shank Type: Reduced With 3-Flat, Shank Diameter: 1/2 Inch, Shank Length: 3 Inch, Overall Length: 6 Inch