Retrofit Bolts 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. Offers a complete engineered anchoring system when used with Simpson Strong-Tie anchoring adhesives. Each end of the threaded rod is stamped with rod length in inches and our "No-Equal" symbol for easy identification after installation.
ASTM F1554 Grade 36
Zinc-plated, hot-dip galvanized
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![]() RFB#4x4 1/2" X 4" RFB Retrofit Bolt Zinc-Plated Price $1.77
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![]() RFB#4x5 1/2" X 5" RFB Retrofit Bolt Zinc-Plated Price $1.94
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![]() RFB#4x6 1/2" X 6" RFB Retrofit Bolt Zinc-Plated Price $2.04
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![]() RFB#4x7 1/2" X 7" RFB Retrofit Bolt Zinc-Plated Price $2.45
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![]() RFB#4x10 1/2" X 10" RFB Retrofit Bolt Zinc-Plated Price $2.83
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Diameter | N/A 1/2" | |||||||||
Length | N/A 4" | N/A 5" | N/A 6" | N/A 7" | N/A 10" | |||||
Coating | N/A Zinc Plated | |||||||||
Package Quantity | N/A 50 | N/A 50 | N/A 50 | N/A 50 | N/A 25 | |||||
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