Irwin Turbomax 3/8" Reduced Shank High Speed Steel Drill Bits

Turbomax 3/8" Reduced Shank High Speed Steel Drill Bits Features:
Revolutionary tip design stays sharper longer and drills up to 10x 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
3/8" reduced shank fits all 3/8" drills