Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit, 5/8"X10"X12"

Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit, 5/8"X10"X12"

The 48-20-7203 Milwaukee SDS PLUS MX4™ 4-Cutter Masonry Drill Bit is a high-performance 5/8" rotary hammer bit engineered for fast, precise drilling in concrete—even when rebar tries to get in the way. Featuring a solid carbide 4-cutter head and rebar guards, this bit delivers up to 5X longer life and smoother drilling, while variable flutes clear dust quickly to keep things cool and efficient.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 48-20-7203
• Brand: Milwaukee
• Product Type: SDS PLUS rotary hammer masonry drill bit
• Bit Diameter: 5/8"
• Usable Length: 10"
• Overall Length: 12"
• Shank Type: SDS PLUS
• Head Design: MX4™ solid carbide 4-cutter head
• Cutting Performance:
  • Up to 5X longer life in concrete with rebar
  • 4-cutter design prevents lock-up when hitting rebar
  • Sharp centering tip for precise spot drilling
• Durability Features:
  • Rebar guards for maximum strength in hard aggregate
  • Solid carbide head for extended wear resistance
• Flute Design: Variable flutes for faster dust removal and reduced heat buildup
• Efficiency: Delivers up to 20% more holes per battery charge
• Wear Indicator: Built-in wear mark shows when bit no longer meets ANSI requirements
• Application: Concrete, reinforced concrete (rebar), and masonry

Ideal For

• Drilling into concrete with rebar without constant bit hang-ups
• Masonry applications requiring precision and durability
• Users running SDS PLUS rotary hammers
• Jobs where faster drilling and longer bit life improve productivity
• Anyone who wants their drill bit to power through rebar instead of stopping to argue with it