Milwaukee® 48-20-3972 MIL 48-20-3972

Our MX4™ 4-cutter SDS-Max® rotary hammer drill bits with solid head carbide deliver up to 5X longer life in concrete with rebar. Engineered with guards to provide maximum durability in hard aggregate and rebar. We designed our MX4™ 4-cutter bits with sharp centering tips for exact spot drilling in concrete. The integrated 4-cutter design prevents lock-up in rebar, reducing downtime. Variable flutes remove dust faster reducing heat and delivering up to 15% more holes per battery charge. The wear mark indicator on each drill bit shows you when they no longer meet the ANSI requirement. These Milwaukee® MX4™ 4-cutter drill bits are ideal for concrete with rebar and masonry applications.

Milwaukee® MX4™ Hammer Drill Bit, 1-1/4 in Drill, 23 in Overall Length, 18 in Cutting Depth, SDS-Max® Shank, 1-1/4 in Shank Diameter, Spiral Flute, 18 in Flute, Centering Point, Right Hand Cutting Direction, 4 Cutter Heads, Carbide, Bright, Applicable Materials: Block, Brick, Concrete, Reinforced Concrete

• Solid head carbide deliver up to 5X longer life in concrete with rebar
• Rebar guard for maximum durability in hard aggregate and rebar
• Centering tip for exact spot drilling in concrete and metal decking
• 4-cutter design prevents lock-up in rebar, reducing downtime
• Variable flutes removes dust faster for up to 15% more holes per battery charge
• Wear mark indicator to show end of life and when bit no longer meets the ANSI requirement