Milwaukee SDS MAX 4-Cutter Masonry Drill Bit, 2"X18"X23"

Milwaukee SDS MAX 4-Cutter Masonry Drill Bit, 2"X18"X23"

The 48-20-3993 Milwaukee MX4™ SDS-MAX 4-Cutter Masonry Drill Bit (2″ × 18″ × 23″) is engineered for heavy-duty concrete drilling where rebar and hard aggregate are common. Featuring a solid head carbide design with rebar guards and an integrated 4-cutter geometry, it delivers up to 5X longer life in concrete with rebar while reducing lock-up and downtime. Optimized flutes improve dust removal for cooler drilling and up to 15% more holes per battery charge.

Country of Origin: German-made

Key Features / Specifications

• Brand / Line: Milwaukee MX4™
• Part Number: 48-20-3993
• Product Type: SDS-MAX rotary hammer masonry drill bit
• Diameter: 2 in
• Usable Length: 18 in
• Overall Length: 23 in
• Shank Type: SDS-MAX
• Cutter Design: 4-cutter with solid head carbide
• Rebar Protection: Rebar guards for durability in reinforced concrete
• Centering Tip: Sharp centering tip for accurate hole placement
• Flutes: Optimized for fast dust removal and reduced heat
• Efficiency: Up to 15% more holes per battery charge
• Standards: Meets ANSI B212.15 for common anchor fit
• Wear Indicator: Wear mark indicators show end of service life and ANSI compliance
• Compatibility: Fits all SDS-MAX rotary hammers
• Applications: Concrete with rebar and masonry

Ideal For

• Drilling large-diameter holes in reinforced concrete
• Contractors and trades working in hard aggregate and rebar
• Users needing maximum durability and reduced bit lock-up
• SDS-MAX rotary hammer applications where precision and longevity matter