RFB Retrofit Bolt


RFBs are clean, oil-free, pre-cut threaded rod, supplied with nut and washer. Offers a complete engineered anchoring system when used with Simpson Strong-Tie® adhesive. Inspection is easy; the head is stamped with rod length and “No Equal” symbol for identification after installation.

Product Includes

Washer provided on all RFB (except RFB#5x8SS).


ASTM F1554 Grade 36


Zinc-plated (unless otherwise noted), available in HDG (per ASTM A153); stainless steel (RFB#5x8SS only).

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