Simpson Strong-Tie RFB#4X8-55 RFB 1/2 in. x 8 in. Zinc-Plated Retrofit Bolt, Grade 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 stamped. When used with a Simpson Strong-Tie adhesive, the RFB offers a complete engineered anchoring system.

This Simpson product is designed for construction, connector, fastening, anchoring, and structural applications where dependable performance, durability, and jobsite-ready installation matter.

Features

• Provides both tension and shear loads in connections
• Coarse thread type
• Diameter: 1/2 in.
• Bolt length: 8 in.
• Washer included
• Zinc plated finish

Specifications

• ERP Part Number: RFB#4X8-55
• UPC: 707392321323
• GTIN: 707392321323
• Feature 01: Provides both tension and shear loads in connections
• Feature 02: Coarse thread type
• Feature 03: Diameter: 1/2 in.
• Feature 04: Bolt length: 8 in.
• Feature 05: Washer included
• Feature 06: Zinc plated finish
• Install With: Use with Simpson Strong-Tie adhesives to anchor into existing concrete and masonry
• Assembled Depth - Imperial: 1.375
• Assembled Depth UOM - Imperial: in.
• Assembled Height - Imperial: 8
• Assembled Height UOM - Imperial: in.
• Assembled Width - Imperial: 1.375
• Assembled Width UOM - Imperial: in.
• Base Product ID: RFB_Bolt
• Base Product Name: RFB
• Brand Name: Simpson Strong-Tie®
• Category Tree (Computed): Concrete Connectors and Anchors > Anchor Bolts > Anchor Bolt
• Coating: Zinc Plated
• Country of Origin: US
• Customer Unit: Yes
• Display Unit/Measure: EA
• Finish: Zinc Plated
• GUID: 167998192289164315890079573245120650292
• Logo Image: https://images.salsify.com/image/upload/s--Lkh4Jm6c--/vkrqlmpfxgflsa4yytuq.png
• Measurement Unit Text: each
• MFG Name: Simpson Strong-Tie®
• Number Category Description: UPC
• Product Class: Anchor Bolt
• Prop 65 - Cancer: Crystalline Silica
• Prop 65 - Long Text: WARNING! This product can expose you to chemicals including wood dust which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
• Prop 65 - Short Text: WARNING! Cancer - www.P65Warnings.ca.gov
• Prop 65 Warning: Yes
• Quantity: 1
• Shipping Weight: 0.396
• Short Product Name: 1/2IN DIA X 8IN RETRO-FIT BOLT-55
• Strongtie.com URL: https://www.strongtie.com/miscadhesiveaccessories_adhesiveanchoringaccessories/rfb_bolt/p/rfb
• Subcategory: Concrete Connectors and Anchors
• Subcategory 2: Anchor Bolts
• Brand Video: https://images.salsify.com/video/upload/s--N-SMFYx9--/wpz3sdgci9c512ppr9df.mp4
• CAR Reference: 10707392321320