Turbomax 3/8 in Reduced Shank High Speed Steel Drill Bits, 31/64 in, 6/Ctn

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.