Milwaukee SDS-Plus MX4 4CT 1/2" x 4" x 6" Drill Bit – Carbide Concrete & Rebar Masonry Bit

The Milwaukee SDS-Plus MX4 4CT 1/2" x 4" x 6" Drill Bit is engineered for high-performance drilling in concrete, masonry, and reinforced materials with rebar.

Its solid carbide 4-cutter head delivers up to 5x longer life compared to standard bits, making it ideal for heavy-duty construction applications.

Rebar guard technology reduces bit lock-ups and breakage when drilling through reinforced steel, improving efficiency on demanding job sites.

The variable flute design enhances dust removal, reduces heat buildup, and delivers up to 20% more holes per battery charge in cordless rotary hammer tools.

Key Features – Milwaukee MX4 1/2"

• 1/2 inch SDS-Plus drill bit
• 4-cutter carbide tip for maximum durability
• Up to 5x longer life in concrete
• Rebar guard prevents lock-ups and breakage
• Improved dust removal and cooling
• Wear mark indicator for ANSI compliance
• Reduced vibration for smoother drilling
• Ideal for concrete and masonry applications

Technical Specifications

Ideal Applications

• Heavy-duty concrete drilling
• Reinforced concrete and rebar work
• Construction and industrial projects
• Electrical and plumbing installations
• Professional contractor use

A premium SDS-Plus drill bit designed for maximum durability, speed, and precision in the toughest drilling environments.