Simpson Strong-Tie 3/4" x 10-1/2" RFB Retrofit Foundation Anchor Bolt - Hot Dip Galvanized Hex Head Structural Screws The large washer-style head delivers

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

The helical design makes installation quick into the predrilled pilot hole

ideal for coastal construction

Designed for concrete and masonry

Interior handrails and guardrails

Simpson Strong-Tie 3/4" x 10-1/2" RFB Retrofit Foundation Anchor Bolt - Hot Dip Galvanized Hex Head Structural Screws The large washer-style head deliversSimpson 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