Simpson HDIA31 Hollow Drop-In Internally Threaded expansion Anchor 5/16" HT Heavy T Strap this left-oriented column cap helps

this left-oriented column cap helps distribute load from the beams and provides critical support at the connection point

giving the screw the hardness needed to drill through metal framing components

What driver bit is compatible with this screw

Does not need dado set or saw blade

Spindle lock

Simpson HDIA31 Hollow Drop-In Internally Threaded expansion Anchor 5/16" HT Heavy T Strap this left-oriented column cap helpsThe Simpson Strong Tie HDIA31 Hollow Drop In Internally Threaded Expansion Anchor is an internally threaded, flush mount expansion anchor engineered for attaching threaded rod to support conduit, cables, and lighting. Manufactured by Simpson Strong Tie, this anchor is uniquely designed to perform in both hollow base materials such as CMU and hollow core plank and solid base materials including brick, normal weight concrete, and lightweight concrete,