3/8" X 3" Strong-Tie THD37300H4SS Titen HD Screw Anchor, 304 Stainless Steel, Pkg 50 Pipe Flashings these screws are strong enough

these screws are strong enough to hold tight in concrete and resist rust

BT's and BTB's specifically are used for connecting structures that have an airspace of 2” to 3”

and weathering

and code-compliant connection

Helps maintain structural integrity of load-bearing walls

3/8" X 3" Strong-Tie THD37300H4SS Titen HD Screw Anchor, 304 Stainless Steel, Pkg 50 Pipe Flashings these screws are strong enoughThe Simpson Strong Tie Titen HD 304 Stainless Steel Screw Anchor is a heavy duty anchor you can count on for jobs that need strong, secure fastening into concrete or masonry, especially in damp or mildly wet areas. Made from 304 stainless steel, its built to resist rust and corrosion, making it a great choice for garages, basements, patios, or anywhere moisture could be a problem. These anchors are designed to drive straight into concrete without