Simpson 1" x 13" Strong-Bolt 2 Wedge Anchor, Zinc Plated Fully-Assembled SDWF FLOOR-TO-FLOOR Screw Designed specifically for medium metal

Designed specifically for medium metal from 1/16" to 5/16" thick - including rebar

Opposing nail pattern to reduce wood splitting

allowing users to leverage both shank types with a single rotohammer

Why do these screws have inverted upper threads

This blade is compatible with hardwoods

Simpson 1" x 13" Strong-Bolt 2 Wedge Anchor, Zinc Plated Fully-Assembled SDWF FLOOR-TO-FLOOR Screw Designed specifically for medium metalThe Simpson Strong Tie Strong Bolt 2 Wedge Anchor is a 1 in. x 13 in. zinc plated carbon steel wedge type expansion anchor engineered for high performance fastening in demanding structural applications. Designed by Simpson Strong Tie, this fully assembled anchor is an optimal choice for use in seismic and high wind conditions, and is code listed for both cracked and uncracked concrete as well as masonry applications. Its dual undercutting embossments