Simpson Strong-Tie RFB#4X5-55 RFB 1/2 in. x 5 in. Zinc-Plated Retrofit Bolt, Grade 55 Length:5 In. preventing drops and ensuring precision

preventing drops and ensuring precision

Precise Chisel Point: The chisel point design allows for easy penetration into various materials

High Quantity: Each box contains 3000 nails

Up to 50x longer cutting life than bi-metal hole saws — durability you can rely on for demanding jobs

Why Choose Simpson Strong-Tie DCU Composite Screws

Simpson Strong-Tie RFB#4X5-55 RFB 1/2 in. x 5 in. Zinc-Plated Retrofit Bolt, Grade 55 Length:5 In. preventing drops and ensuring precisionSimpson Strong Tie RFB#4X5 55 The Simpson Strong Tie RFB retrofit bolt is a precut threaded rod, supplied with nut and washer, to use with anchoring adhesives to anchor into existing concrete and masonry. Each end of the threaded rod is stamped with rod length in inches and color coded indicating the grade or type of steel for quick and easy identification post installation. For 1 2 in. diameters and larger, the distinctive No Equal symbol is also