Bosch T3921SC 4-3/8″ SDS-Plus SPEEDCORE™ Thin-wall Core Bit


SKU: T3921SC Categories: , , UPC: 000346430066


Bosch T3921SC 4-3/8″ SDS-Plus SPEEDCORE™ Thin-wall Core Bit

  • Teeth made of high-grade tungsten carbide for superior durability and longer life
  • Pilot bit is integrated with the mandrel (sold separately)
  • Ejector hole makes core removal easy
  • Designed for use on masonry, brick and block
  • For use with Bosch SPEEDCORE™ one-piece SDS-Plus pilot bits and extensions
  • Made for drilling with smaller hammers
  • Diameter: 4-3/8″
  • Drill bits (or drill bit + extension) longer than 8″ should never be run faster than 600 RPM


Additional information

Weight 1.25 lbs


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