Bosch Speedcore 4-3/8-in x 3-in Alloy Steel Masonry Drill Bit for Sds-plus Drill T3921SC

High-grade tungsten carbide offers durability and life. Ejector hole delivers easy core removal of masonry, brick and block. Works with Bosch one-piece SDS-plus® pilot bits and extensions.High-grade tungsten carbide teethPilot bit is integrated with mandrelEjector holeWorks with Bosch SPEEDCORE™ SDS-plus® pilot bits and extensionsDesigned for drilling with smaller hammers