Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit, 3/4"X8"X10"

Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit, 3/4"X8"X10"

The Milwaukee 48-20-7212 SDS MX4™ 4-Cutter Masonry Drill Bit is a heavy-duty, precision-engineered bit built for fast, clean drilling in concrete—even when rebar gets in the way. Featuring a solid carbide head and 4-cutter design, it delivers up to 5X longer life and helps prevent lock-up when hitting reinforcement. With variable flutes for faster dust removal and a sharp centering tip for accuracy, this bit keeps drilling efficient, cool, and right on target.

Country of Origin
Made in Germany

Key Features / Specifications

• Model / Part Number: 48-20-7212
• Brand / Series: Milwaukee SDS MX4™
• Product Type: SDS-Plus masonry drill bit
• Bit Size: 3/4" diameter x 8" usable length x 10" overall length
• Cutting Head: Solid carbide 4-cutter design for durability and performance
• Durability: Up to 5X longer life in concrete with rebar
• Rebar Protection: Rebar guards enhance durability in tough materials
• Tip Design: Sharp centering tip for precise starts
• 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 and masonry materials
• Jobs where rebar contact is common
• Users needing long-lasting, high-performance masonry bits
• Applications requiring accurate hole placement for anchors
• Anyone who wants their drill bit to power through rebar—not panic and quit halfway through