Simpson SDS-Max Core Bit with Centering Bit 3-1/2 in x 22 in CBMX35022 CBSDQ Sheathing-to-CFS Screw (Collated) It is sold separately and

It is sold separately and is part of the complete Simpson Strong-Tie Hidden Deck-Fastening System

Deck construction requiring post-to-concrete connections

Edge Fluting

Compatible Chuck Collet ER40

Simpson SDS-Max Core Bit with Centering Bit 3-1/2 in x 22 in CBMX35022 CBSDQ Sheathing-to-CFS Screw (Collated) It is sold separately andSimpson Strong Tie SDS Max Core Bit with Centering Bit 3 1 2" x 22" (Model CBMX35022) is a professional grade carbon steel core bit engineered to cut precise cylinders through stone and concrete with accuracy and efficiency. Built to the same exacting standards as Simpson Strong Tie's carbide tipped drill bits, this core bit features an integrated centering bit that enables accurate, guided drilling in combination hammer drill mode making it a