Milwaukee SDS MX4™ 8Pc. Masonry Drill BitSet , 5/32"-1/2"

Milwaukee SDS MX4™ 8Pc. 4-Cutter Masonry Drill Bit Set , 5/32"-1/2"

The Milwaukee SDS MX4™ 8-Piece 4-Cutter Masonry Drill Bit Set is a professional-grade kit built for high-efficiency drilling in concrete, masonry, and rebar, delivering up to 5X longer life with its solid carbide head design. Engineered for tough jobs, the 4-cutter geometry prevents lock-up in rebar, while rebar guards and variable flutes improve durability, reduce heat, and clear dust faster—helping you drill more holes per charge. With a sharp centering tip for precise starts and wear mark indicators for end-of-life tracking, this set is ready to handle demanding applications without slowing you down.

Country of Origin
Made in Germany

Key Features / Specifications

• Model / Part Number: 48-20-7663
• Brand / Series: Milwaukee SDS MX4™
• Product Type: SDS-Plus masonry drill bit set
• Piece Count: 8-piece set
• Bit Sizes Included: 5/32 in., 3/16 in., 1/4 in., 5/16 in., 3/8 in., 1/2 in. (various lengths)
• 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: Rebar guards for maximum strength in reinforced concrete and hard aggregate
• Tip: Sharp centering tip for accurate 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: Wear marks show end of life and ANSI compliance limit
• Standards: Meets ANSI B212.15 for anchor compatibility
• Compatibility: Fits all SDS-Plus rotary hammers

Includes

• SDS-PLUS 4CT MX4™ 5/32" x 4" x 6" (48-20-7308)
• SDS-PLUS 4CT MX4™ 3/16" x 2" x 4" (48-20-7310)
• SDS-PLUS 4CT MX4™ 3/16" x 4" x 6" (48-20-7311)
• SDS-PLUS 4CT MX4™ 1/4" x 2" x 4" (48-20-7330)
• SDS-PLUS 4CT MX4™ 1/4" x 4" x 6" (48-20-7331)
• SDS-PLUS 4CT MX4™ 5/16" x 4" x 6" (48-20-7341)
• SDS-PLUS 4CT MX4™ 3/8" x 4" x 6" (48-20-7351)
• SDS-PLUS 4CT MX4™ 1/2" x 4" x 6" (48-20-7371)

Ideal For

• Drilling into concrete, masonry, and reinforced materials with rebar
• Contractors needing a complete, durable set for multiple hole sizes
• Jobs requiring precise starts and consistent hole quality
• Users looking to maximize efficiency and battery performance
• Anyone who wants a drill bit set that keeps working instead of tapping out when things get tough