Milwaukee M12 3401-20 (3401-20)

IRWIN General Purpose High Speed Steel Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance

Avanti Pro masonry drill bits provide top quality performance when drilling into brick or block. This range features a carbide tip for extra durability and longer life in tough applications. Dual flut more→es remove dust and debris for cleaner holes. Avanti Pro masonry drill bits are only for use with drills in rotary mode.

Milwaukee Cobalt Red Helix drill bits are engineered for extreme durability and long life in hard metal applications. The Milwaukee cobalt drill bits are designed with a Variable Helix that includes a more→n aggressive 35-degree Helix Angle which ends at 15 degrees. The drill bits have Quadedge Tip to decrease heat buildup and drill faster. The 135-degree split point tip delivers a precision start and prevents walking for fast, accurate holes in hard metal, PVC, and wood. The tapered drill bits feature a new Enhanced Tapered Web that strengthens the bit's core to increase flute durability.