Speed Core Pilot

Bosch T3924, Speedcore Pilot Bit.
High-grade tungsten carbide teeth and Pilot bit is integrated with mandrel. Bosch SDS-plus thin-wall core bits are optimized for drilling with smaller hammers. Core body range is 1 Inch up to 4-3/8 Inch with 3 Inch usable cutting depth. Extension plus bit beyond 8 Inches should not exceed 600 RPM.