Diablo 4" x 17" x 22" SDS-Max Carbide Tipped Core Bit Solid Carbide Knives The JTM-949EVS features an Electronic

The JTM-949EVS features an Electronic Variable Speed system powered by a Delta B inverter

81/14 require web stiffeners during installation

It should be installed with 5/8 in

Lifeline Material: 1 in

Diablo 4" x 17" x 22" SDS-Max Carbide Tipped Core Bit Solid Carbide Knives The JTM-949EVS features an ElectronicThe Diablo 4" x 17" x 22" SDS Max Carbide Tipped Core Bit is an engineered coring solution built for demanding concrete drilling applications where speed, durability, and hole quality matter. Designed by Diablo and produced in Germany, this large diameter core bit delivers one of the fastest and longest lasting coring experiences available for corded and cordless SDS Max rotary hammer drills. Whether you are cutting through solid concrete, brick, or