{"product_id":"rfb-retrofit-bolt","title":"RFB Retrofit Bolt","description":"\u003ch4\u003eSimpson Strong-Tie RFB Retrofit Bolt\u003c\/h4\u003e\n\u003cp\u003eThe 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\" diameters and larger, our distinctive No-Equal® symbol is also stamped. When used with a Simpson Strong-Tie® adhesive, it offers a complete engineered anchoring system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNut and washer come fully assembled on Retrofit Bolt\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStamped length, No-Equal symbol (for diameters ≥1\/2\") and color‑coded painted heads for easy identification\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMultiple grades available to meet light- to heavy-capacity needs\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrecut lengths and diameters designed to meet jobsite needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003cbr\u003eASTM F1554 Grade 36\u003c\/p\u003e\n\u003cp\u003eNut: ASTM A563 Grade A\u003cbr\u003eWasher: ASTM F844\u003cbr\u003eASTM F1554 Grade 55\u003c\/p\u003e\n\u003cp\u003eNut: ASTM A563 Grade A Heavy Hex\u003cbr\u003eWasher: ASTM F436\u003cbr\u003eASTM F1554 Grade 105\u003c\/p\u003e\n\u003cp\u003eNut: ASTM A563 Grade DH Heavy Hex\u003cbr\u003eWasher: ASTM F436\u003cbr\u003eASTM F593 Type 304 Stainless Steel\u003c\/p\u003e\n\u003cp\u003eNut: ASTM F594 Type 304 Stainless Steel\u003cbr\u003eWasher: ASTM A240 Type 304 Stainless Steel\u003cbr\u003eASTM F593 Type 316 Stainless Steel\u003c\/p\u003e\n\u003cp\u003eNut: ASTM F594 Type 316 Stainless Steel\u003cbr\u003eWasher: ASTM A240 Type 316 Stainless Steel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003cbr\u003eZinc-plated (unless otherwise noted), available in HDG (per ASTM A153); stainless steel (RFB#5x8SS only)| Zinc plated, hot-dip galvanized\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHead Stamp:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e3\/8 in. diameter — length only\u003cbr\u003e1\/2 in. diameter or greater — length and no equal symbol\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eColor Identification for painted heads:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGrade 36 — Blue\u003cbr\u003eGrade 55 — Yellow\u003cbr\u003eGrade 105 — Red\u003cbr\u003eType 304 — Burgundy\u003cbr\u003eType 316 — Light Blue\u003c\/p\u003e","brand":"Simpson Strong-Tie","offers":[{"title":"3\/8\" x 6\"","offer_id":67673548325076,"sku":null,"price":9.5,"currency_code":"USD","in_stock":true},{"title":"1\/2\" x 6\"","offer_id":67673548292308,"sku":null,"price":16.5,"currency_code":"USD","in_stock":true},{"title":"1\/2\" x 10\"","offer_id":67673548357844,"sku":null,"price":29.95,"currency_code":"USD","in_stock":true},{"title":"5\/8\" x 10\"","offer_id":67673548390612,"sku":null,"price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1426\/4714\/files\/RFB.jpg?v=1791569129","url":"https:\/\/atlaspreservation.com\/products\/rfb-retrofit-bolt","provider":"Atlas Preservation","version":"1.0","type":"link"}