Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit, 3/16"X10"X12"

Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit, 3/16"X10"X12"

The 48-20-7312 Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit is a long-reach, high-performance bit designed for drilling deep into concrete and rebar without constant hang-ups. Built with a solid carbide head and 4-cutter design, it powers through tough materials while reducing lock-up and extending bit life. The extended 12" length makes it ideal for deeper holes, while variable flutes clear dust efficiently—helping you drill faster and get more done per charge.

Country of Origin
Made in Germany

Key Features / Specifications

• Model / Part Number: 48-20-7312
• Brand / Series: Milwaukee SDS MX4™
• Size: 3/16" diameter x 10" usable length x 12" overall length
• Product Type: SDS-Plus masonry drill bit
• 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 aggregate and reinforced concrete
• Tip Design: Sharp centering tip for precise spot drilling
• Flute Design: Variable flutes for faster dust removal and reduced heat buildup
• Efficiency: Delivers up to 20% more holes per battery charge
• Wear Indicator: End-of-life wear mark shows when bit no longer meets ANSI requirements
• 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

• Deep drilling applications in concrete and reinforced materials
• Professionals needing longer reach without sacrificing performance
• Jobs requiring accurate anchor hole placement at depth
• Anyone who needs to go deep without the bit tapping out halfway through