{"product_id":"simpson-atrm8-15-atrm-1-in-x-18-in-all-thread-rod-grade-55","title":"Simpson ATRM8-1.5 1 in. x 18 in. All-Thread Rod, Grade 55 Medium-Strength","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Strong-Tie ATRM 1 in. x 18 in. All-Thread Rod, Grade 55\u003c\/strong\u003e is a fully threaded steel rod engineered as a tension transfer element for structural systems designed to resist seismic and wind forces. Built to provide a continuous and reliable load path from roof to foundation, this precut all-thread rod is a core component in anchor tiedown systems for shearwall overturning restraint and in uplift restraint systems for roof applications. Its versatility also makes it a dependable choice for use as an adhesive anchor rod in a wide range of construction and structural retrofit projects.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePrecut 18 in. length\u003c\/strong\u003e - arrives ready to install without field cutting, saving time on the job site and reducing material waste.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGrade 55 specification (Fy = 55 ksi, Fu = 75 ksi)\u003c\/strong\u003e - delivers medium-strength tensile and yield performance suited to demanding structural load transfer applications including seismic and wind resistance systems.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eASTM A36 material standard\u003c\/strong\u003e - ensures consistent, code-recognized steel quality that engineers and inspectors can confidently specify and verify.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUNC Class 2A thread specification\u003c\/strong\u003e - provides a standardized thread fit compatible with nuts, couplers, and hardware used throughout continuous rod tiedown systems, simplifying assembly.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1 in. rod diameter\u003c\/strong\u003e - sized to handle significant structural loads in shearwall overturning restraint and roof uplift applications without oversizing the connection.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUncoated black steel finish\u003c\/strong\u003e - suited for protected interior structural applications where corrosion exposure is limited, keeping the rod ready for immediate use without additional surface prep.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFully threaded along entire length\u003c\/strong\u003e - allows flexible placement and adjustment of nuts, couplers, and bearing hardware anywhere along the rod, maximizing installation versatility.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eEngineered for continuous load path systems\u003c\/strong\u003e - the ATRM is purpose-built for Strong-Rod systems that carry seismic and wind forces from roof to foundation, making it a reliable choice when a complete, engineer-designed tiedown solution is required.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDual-application flexibility\u003c\/strong\u003e - functions equally well in shearwall overturning restraint systems and roof uplift restraint systems, reducing the number of different rod SKUs needed on a complex structural project.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAlso suitable as an adhesive anchor rod\u003c\/strong\u003e - the fully threaded profile and medium-strength Grade 55 specification make this rod appropriate for anchoring into concrete or masonry with structural adhesive, broadening its use on mixed-trade job sites.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMade in the United States to ASTM A36 standards\u003c\/strong\u003e - provides domestically produced, code-recognized structural steel that supports project documentation and specification compliance for commercial and residential construction alike.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ATRM8-1.5\u003c\/li\u003e\n\n \u003cli\u003e\n\u003cstrong\u003eRod Diameter:\u003c\/strong\u003e 1 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRod Length:\u003c\/strong\u003e 18 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eProduct Class:\u003c\/strong\u003e Threaded Rod\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Uncoated Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Uncoated Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e Grade 55\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Specification:\u003c\/strong\u003e UNC Class 2A\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSteel Standard:\u003c\/strong\u003e ASTM A36\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eYield Strength (Fy):\u003c\/strong\u003e 55 ksi\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUltimate Strength (Fu):\u003c\/strong\u003e 75 ksi\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eProp 65:\u003c\/strong\u003e No\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eContinuous rod tiedown system for shearwall overturning restraint\u003c\/li\u003e\n \u003cli\u003eUplift restraint system for roof applications\u003c\/li\u003e\n \u003cli\u003eAdhesive anchor rod applications\u003c\/li\u003e\n \u003cli\u003eStructural systems designed to resist seismic forces\u003c\/li\u003e\n \u003cli\u003eStructural systems designed to resist wind forces\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat thread specification does the ATRM8-1.5 use?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe ATRM8-1.5 uses a UNC Class 2A thread specification. This is a standardized thread fit that ensures compatibility with nuts, couplers, and other hardware components used throughout continuous rod tiedown and uplift restraint systems.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eCan this all-thread rod be used as an adhesive anchor rod?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. In addition to its primary role as a tension transfer element in shearwall overturning restraint and roof uplift restraint systems, the ATRM can be used as an adhesive anchor rod for a variety of structural anchoring applications.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat does Grade 55 mean for this threaded rod?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eGrade 55 refers to the rod meeting an ASTM A36 steel specification with a minimum yield strength (Fy) of 55 ksi and an ultimate tensile strength (Fu) of 75 ksi. This medium-strength rating makes it appropriate for demanding structural load transfer applications such as seismic and wind force resistance systems.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eIs this rod precut or does it need to be field cut to length?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe ATRM8-1.5 comes precut to 18 in. for convenience, so no field cutting is required. The fully threaded profile runs the entire length, allowing flexible positioning of nuts, couplers, and bearing hardware anywhere along the rod during installation.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":48085360378086,"sku":"ATRM8-1.5","price":14.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/ATRM_7-8.png?v=1785360272","url":"https:\/\/factorydirectsupply.com\/products\/simpson-atrm8-15-atrm-1-in-x-18-in-all-thread-rod-grade-55","provider":"FactoryDirectSupply.com","version":"1.0","type":"link"}