Milwaukee SDS MAX 4-Cutter Masonry Drill Bit, 3/4"X12"X17"

Milwaukee SDS MAX 4-Cutter Masonry Drill Bit, 3/4"X12"X17"

The Milwaukee 48-20-3931 SDS MAX 4-Cutter Masonry Drill Bit is a rugged, precision-built bit designed to power through concrete and rebar without slowing down. Featuring a solid carbide head and 4-cutter design, it delivers up to 5X longer life while preventing lock-ups when hitting rebar. The sharp centering tip ensures accurate starts, and optimized flutes clear dust efficiently to reduce heat and boost drilling performance—so you get more holes done and less time fighting your tools.

Country of Origin
Made in Germany

Key Features / Specifications

• Model / Part Number: 48-20-3931
• Brand: Milwaukee
• Product Type: SDS MAX 4-cutter masonry drill bit
• Bit Diameter: 3/4"
• Usable Length: 12"
• Overall Length: 17"
• Shank Type: SDS MAX
• Cutting Head: Solid carbide for extended durability
• Design: 4-cutter head reduces lock-up in rebar
• Tip: Sharp centering tip for precise spot drilling
• Durability Features: Rebar guards for strength in hard aggregate and rebar
• Flute Design: Optimized flutes for faster dust removal and reduced heat
• Efficiency: Up to 15% more holes per battery charge
• Standards: Meets ANSI B212.15 for anchor compatibility
• Wear Indicator: Wear mark indicators show end of life and ANSI compliance
• Compatibility: Fits all SDS MAX rotary hammers
• Included: (1) 3/4" x 12" x 17" SDS MAX 4-cutter bit
• Application: Concrete, masonry, and rebar-embedded materials

Ideal For

• Drilling concrete with rebar without constant bit binding or breakage
• Anchor installations requiring consistent, accurate hole sizing
• Contractors using SDS MAX rotary hammers for demanding applications
• Jobs where speed, durability, and efficiency actually matter
• Anyone who prefers their drill bit to do the hard work instead of negotiating with rebar