Simpson 1/2" x 2-3/4" Strong-Bolt 2 Wedge Anchor, Zinc Plated LSC Stair-Stringer Connectors The variable thread design is

The variable thread design is optimized for dimensional lumber and is engineered to withstand the swelling and shrinkage that is common with fast-growth lumber

making it well-suited for spaces where clearance is limited

a version with the A2 (acute) flange turned in to accommodate end-of-wall installation is available

Warranty: JET 2-Year Full Service Warranty

D51844 up to 0

Simpson 1/2" x 2-3/4" Strong-Bolt 2 Wedge Anchor, Zinc Plated LSC Stair-Stringer Connectors The variable thread design isSimpson STB2 50234R25 Strong Bolt 2 1 2 in. x 2 3 4 in. Wedge Anchor is a high performance wedge type expansion anchor from Simpson Strong Tie, engineered for demanding structural fastening in concrete and masonry. Designed to excel even in seismic and high wind conditions, the Strong Bolt 2 features dual undercutting embossments on each clip segment that enable secondary expansion if a crack forms and intersects the anchor location significantly