Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit, 1/2"X10"X12"

Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit, 1/2"X10"X12"

The Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit is a high-performance drilling solution built for concrete, rebar, and tough aggregate without slowing down. Featuring a solid carbide head and 4-cutter design, it delivers longer life, faster drilling, and reduced lock-up when hitting rebar. With advanced flute geometry for better dust removal, this bit helps you drill more holes per charge—because stopping to clear dust isn’t exactly productive.

Country of Origin
Made in Germany

Key Features / Specifications

• Model / Part Number: 48-20-7374
• Brand / Series: Milwaukee SDS MX4™
• Product Type: SDS-Plus masonry drill bit
• Bit Size: 1/2 in x 10 in x 12 in
• Head Design: Solid carbide head for up to 5x longer life in concrete with rebar
• Cutting Design: 4-cutter geometry prevents lock-up in rebar
• Durability Feature: Rebar guards for extended life in hard materials
• Tip Design: Sharp centering tip for precise spot drilling
• Flute Design: Variable flutes for faster dust removal and reduced heat
• Efficiency: Up to 20% more holes per battery charge
• Wear Indicator: Wear mark shows end of life and ANSI compliance limit
• Standards: Meets ANSI B212.15 for anchor compatibility
• Compatibility: Fits all SDS-Plus rotary hammers
• Application: Ideal for concrete with rebar and masonry

Ideal For

• Drilling into reinforced concrete without constant bit changes
• Jobs requiring precision and durability in tough materials
• Maximizing runtime with efficient dust removal
• Users needing reliable anchor hole sizing
• Anyone who wants a bit that keeps drilling even after hitting rebar