Simpson Strong-Tie 3/4" x 10-1/2" RFB Retrofit Foundation Anchor Bolt - Hot Dip Galvanized Hex Head Structural Screws The helical design makes installation

The helical design makes installation quick into the predrilled pilot hole

The large washer-style head delivers serious clamping force for long-lasting joints you can trust

ideal for coastal construction

This product is intended for use with 4x posts or columns but is also available in a wide range of other sizes and both nominal and rough-cut lumber

Roof Rafter Connections: Provides strong and lasting support for sloped rafters

Simpson Strong-Tie 3/4" x 10-1/2" RFB Retrofit Foundation Anchor Bolt - Hot Dip Galvanized Hex Head Structural Screws The helical design makes installationSimpson Strong Tie RFB Retrofit Foundation Bolts provide a reliable solution for anchoring wood sill plates to existing concrete foundations. Unlike traditional L bolts or J bolts that are embedded before concrete is poured, these retrofit anchor bolts are installed into cured concrete, making them ideal for foundation upgrades, repairs, and retrofit applications. Designed for use with Simpson Strong Tie anchoring adhesives, the RFB anchor bolt