Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit, 9/16"X10"X12"

Milwaukee SDS MX4™ 4-Cutter Masonry Drill Bit, 9/16"X10"X12"

The 48-20-7384 Milwaukee SDS PLUS MX4™ 4-Cutter Masonry Drill Bit is a high-performance 9/16" rotary hammer bit engineered for fast, precise drilling in concrete—even when rebar gets in the way. Featuring a solid carbide 4-cutter head and reinforced design, it delivers long life, smooth drilling, and reduced downtime, so you can keep boring holes instead of fighting the bit.

Country of Origin
Made in Germany

Key Features / Specifications

• Model / Part Number: 48-20-7384
• Brand: Milwaukee
• Product Type: SDS PLUS rotary hammer masonry drill bit
• Bit Diameter: 9/16"
• 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 added strength in hard aggregate
  • Solid carbide construction for extended wear resistance
• Flute Design: Variable flutes for faster dust removal and reduced heat
• Efficiency: Delivers up to 20% more holes per battery charge
• Wear Indicator: Built-in wear mark shows when bit no longer meets ANSI specs
• Standards: Meets ANSI B212.15 for anchor compatibility
• Application: Ideal for concrete with rebar and masonry
• Compatibility: Fits all SDS PLUS rotary hammers

Ideal For

• Drilling into reinforced concrete without bit binding
• Masonry work 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 go through rebar—not stop and reconsider life choices