Milwaukee SDS Max 4CT MX4™ 3/4" X 16" X 21"

REINFORCED CONCRETE DOMINANCE WITH MX4 CARBIDE TECHNOLOGY

When your jobsite demands high-volume anchoring in structural concrete, the mechanical integrity of your drill bit determines your daily throughput. The Milwaukee MX4 4-Cutter SDS Max bit is engineered to solve the primary failure point of standard masonry bits: rebar strikes. By utilizing a solid head carbide design rather than a simple brazed insert, this bit maintains structural geometry even when encountering high-tensile steel reinforcement. The integrated rebar guards act as a sacrificial shield, preventing the head from shattering or binding upon impact, which significantly reduces the risk of tool kickback and operator fatigue. For professionals running high-output rotary hammers, the optimized flute geometry ensures rapid dust extraction, keeping the cutting head cool and extending the service life of your cordless batteries by reducing rotational resistance.

• / Solid Head Carbide construction provides up to 5x longer life in heavy-duty concrete and rebar applications.
• / 4-Cutter geometry prevents lock-up and binding when hitting reinforcement, ensuring continuous drilling speed.
• / Sharp centering tip eliminates bit walk for precise hole placement in smooth concrete or metal decking.
• / Wear mark indicators provide a clear visual reference to ensure the bit still meets ANSI B212.15 tolerances for critical anchor setting.

WHAT'S IN THE BOX

(1) 5/8" x 16" x 21" MX4 4-Cutter SDS Max Rotary Hammer Drill Bit (48-20-3932)