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RFB Retrofit Bolt


Misc. Adhesive Accessories

This product's information may differ depending on the category of use. You are currently viewing details related to Misc. Adhesive Accessories. You can also view product information related to the category: Bolts

RFBs are pre-cut threaded rod, supplied with nut and washer. For use with Simpson Strong-Tie® adhesives. May be ordered in bulk without the nut and washer. Use with Simpson Strong-Tie adhesives to anchor into existing concrete and masonry. Each end of the threaded rod is stamped with rod length in inches and our “No-Equal” symbol for easy identification after installation.

Product Includes

  • Washer provided on all RFBs (except RFB#5x8SS)


RFB#4X8HDG-R and RFB#5X12HDG-R are only available with a hot-dip galvanized coating. They are retail packaged and are sold 10 per carton.

Related Literature

Product Information Tables

Retrofit Bolts
Description Dia. Length Zinc-Plated Model No. Hot-Dip Galvanized Model No. Ctn Qty Retail2 Pack
1/2" x 4" RFB#4x4 RFB#4x4HDG 50
1/2" x 5" RFB#4x5 RFB#4x5HDG 50 10
1/2" x 6" RFB#4x6 RFB#4x6HDG 50 10
1/2" x 7" RFB#4x7 RFB#4x7HDG 50 10
1/2" x 8" RFB#4x8HDG 10
1/2" x 10" RFB#4x10 RFB#4x10HDG 25 10
5/8" x 5" RFB#5x5 RFB#5x5HDG 50 10
5/8" x 8" RFB#5x8 RFB#5x8HDG 50 10
5/8" x 10" RFB#5x10 RFB#5x10HDG 50 10
5/8" x 12" RFB#5x12HDG 10
5/8" x 16" RFB#5x16 RFB#5x16HDG 25 10
3/4" x 10 1/2" RFB#6x10.5 RFB#6x10.5HDG 25
  1. Bulk quantities do not include the nut and washer and must be ordered with a “-B” suffix (example: RFB#4x5-B). Hot-dip galvanized RFBs not available in bulk.
  2. Retail packs must be ordered with a “-R” suffix (example: RFB#5x12HDG-R).