Simpson 1/4 x 4 Countersunk Split-Drive Anchor Mechanically Galvanized CSD25400MG CPTZ Concealed Post Bases The SDS screws provide a

The SDS screws provide a lower profile than standard through bolts and attach to a greater net section area of the column than a bolt attachment normally entails

What size anchor bolts is the AM 7/8 designed to hold

self-drilling screws

tamper-proof hold every time

Simpson 1/4 x 4 Countersunk Split-Drive Anchor Mechanically Galvanized CSD25400MG CPTZ Concealed Post Bases The SDS screws provide aSimpson CSD25400MG CSD 1 4 in. x 4 in. Mechanically Galvanized Split Drive Anchor is a one piece mechanical expansion anchor from Simpson Strong Tie, engineered for fast, reliable fastening into concrete, grout filled block, and stone. As the anchor is driven into a pre drilled hole, the split type expansion mechanism on the working end compresses and exerts outward force against the walls of the hole, creating a secure mechanical hold without