The Milwaukee Tool 48-20-7341 SDS Plus 4-Cutter MX4 5/16-inch X 4-inch X 6-inch Drill Bit is engineered for high-performance drilling in concrete, masonry, and reinforced materials with SDS-Plus rotary hammers. Featuring a solid carbide head, advanced rebar protection, and optimized flute design, this bit delivers extended life, faster drilling, and reduced downtime in demanding applications.

• 5/16-inch diameter SDS-PLUS MX4™ 4-cutter drill bit with a 4-inch usable length and 6-inch overall length for concrete and masonry drilling
• Solid carbide head provides up to 5x longer life in concrete with rebar while maintaining reliable cutting performance
• Four-cutter design with integrated rebar guards prevents lock-up when drilling through reinforced concrete and hard aggregate
• Sharp centering tip enables precise spot drilling in concrete and metal decking while variable flutes improve dust removal and reduce heat buildup
• Wear mark indicator shows when the bit reaches the end of its service life and no longer meets ANSI diameter requirements