Home > Shop > Tools > Power Tool Accessories > Driver Bit & Holders > BOSCH SPEEDCORE 3-1/8" SDS-PLUS THIN-WALL CORE BIT BOSCH SPEEDCORE 3-1/8" SDS-PLUS THIN-WALL CORE BIT Item #: 21654280 Mfr #: T3917SC $150.40 each Checking Inventory Add to Cart