Milwaukee MX4 4-Cutter SDS Max Rotary Hammer Drill Bit 3/4" x 12" x 17" 48-20-3931

DOMINATE REINFORCED CONCRETE WITH SOLID HEAD CARBIDE

When your crew is drilling through high-PSI concrete laced with rebar, the mechanical integrity of the bit determines your jobsite uptime. The Milwaukee MX4™ SDS Max series is engineered to eliminate the primary failure point of standard bits: rebar lock-up. By utilizing a solid head carbide design rather than a simple brazed tip, these bits maintain structural stability under extreme thermal loads. The 4-cutter geometry ensures that even when you strike lateral steel, the bit won't bind or snap, protecting both the tool's internal clutch and the operator's wrists. For the professional looking to maximize the ROI of their high-output rotary hammers, the optimized flute geometry translates directly into faster dust extraction and more holes per charge on the M18 FUEL platform.

• / Solid head carbide construction delivers up to 5x longer life in heavy-duty aggregate and rebar applications.
• / Integrated rebar guards provide maximum durability, preventing the bit from seizing or breaking upon contact with steel reinforcement.
• / Sharp centering tip allows for exact spot drilling, preventing bit walk on smooth or uneven concrete surfaces.
• / Optimized flute design accelerates dust removal, reducing friction-induced heat and delivering up to 15% more holes per battery charge.
• / Wear mark indicators provide a clear visual reference for ANSI B212.15 compliance, ensuring anchor fitment accuracy throughout the bit's life.

WHAT'S IN THE BOX

(1) 3/4" x 12" x 17" MX4™ 4-Cutter SDS Max Rotary Hammer Drill Bit (48-20-3931)