Revolutionary tip design stays sharper longer and drills up to 28 percent faster than other leading drill bits Three-flatted shank design provides better chuck grip and reduces slippage. Ideal for use in keyless chucks Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance
Size: 7/16" Twist Length: 4-1/16" Overall Length: 5-1/2"