SDS Plus Bulldog Rotary Hammer Bit, 5/16 x 6-In.

5/16" x 4" x 6", sds plus, bulldog, rotary hammer bit, optimized brazing & hardening process for long life, 15 percent faster, bosch made carbide tip is tougher & more durable under heavy loads, carbide tipped for long life in tough applications, centric tip ensures quick starts in concrete, wear mark alerts user when tip wears beyond ansi specification, bit runs cooler thanks to improved flute design, proprietary bosch hardening process results in more holes per bit, ideal for anchoring & through hole applications in concrete.