Milwaukee MX4 Rotary Hammer Drill Bit, 4-Cutter, 3/8 in, 6 in Overall Length, 4 in Cutting Depth, 4 Flutes, Spiral Flute, 4 in Flute Length, 25/64 in Shank, Centering Point, Carbide Cutting Edge, Solid Carbide, Silver, Applicable Materials: Concrete, Masonry and Reinforced Concrete

ITEM FEATURES:

• Enhanced rebar guards provide increased durability
• Breaker points lead to faster drilling speeds
• Variable flute for up to 20% more holes per charge in cordless rotary hammers
• Centering tip for exact spot drilling
• Wear mark indicators to show end of life and when bit no longer meets the ANSI requirement
• Reinforced flutes for minimized vibration and maximum durability
• Fits all SDS PLUS rotary hammers