{"product_id":"bowmalloy-36429-hex-head-cap-screw-9-16-18-x-1-in-grade-9","title":"Bowmalloy 36429 Hex Head Cap Screw 9\/16-18 X 1 in Grade 9","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe BOWMALLOY 36429 is a Grade 9 alloy steel hex head cap screw designed for high-strength fastening applications across industrial, mechanical, and trade construction environments. The fastener measures 9\/16-18 thread size with a 1-inch length under the head and is fully threaded from tip to head. A zinc-plated clear chromate finish provides corrosion resistance in both indoor and moderate outdoor exposure conditions. Licensed professionals and skilled tradespeople install this screw where SAE-grade tensile requirements demand a step above standard Grade 5 or Grade 8 hardware.\u003c\/p\u003e\n\u003cp\u003eThis hex head cap screw is suited for heavy equipment assembly, structural mechanical connections, and industrial maintenance applications where Grade 9 minimum proof load and tensile strength are specified. The 9\/16-18 fine thread pitch delivers higher thread engagement strength and better resistance to loosening under vibration compared to coarse-thread equivalents. Fully threaded construction ensures consistent clamping across the entire grip length, making it appropriate for shorter-stack fastening scenarios common in machinery and fabrication work.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eGrade 9 alloy steel construction exceeds Grade 8 tensile strength requirements\u003c\/li\u003e\n  \u003cli\u003e9\/16-18 UNF fine thread for superior vibration resistance and thread engagement\u003c\/li\u003e\n  \u003cli\u003eFully threaded body maximizes clamping over the complete 1-inch length under head\u003c\/li\u003e\n  \u003cli\u003eZinc-plated clear chromate finish provides corrosion protection for general-duty environments\u003c\/li\u003e\n  \u003cli\u003eInch system of measurement  -  compatible with standard SAE tooling and hex sockets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a high-strength OEM-style replacement or new-installation fastener for applications specifying 9\/16-18 UNF Grade 9 alloy steel hex cap screws in inch-measurement fastening systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified mechanic or tradesperson following the applicable equipment manufacturer torque specifications for Grade 9 hardware. Always inspect mating threads for damage before installation and ensure the receiving bore is free of debris. Use a properly sized hex socket or wrench to avoid fastener head rounding. Do not substitute Grade 9 fasteners with lower-grade hardware in applications where Grade 9 is specified.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 9\/16-18 UNF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Alloy Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: Grade 9\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish Coating\u003c\/strong\u003e: Zinc-Plated Clear Chromate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreading\u003c\/strong\u003e: Fully Threaded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31161501\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BOWMALLOY\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 36429\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BOWMALLOY","offers":[{"title":"Default Title","offer_id":52075600445746,"sku":"36429","price":69.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/143467770840749e15a3d80a90806274_70d6c41b-214d-44d4-b34e-2fae914c41ad.jpg?v=1790052017","url":"https:\/\/voomisupply.com\/products\/bowmalloy-36429-hex-head-cap-screw-9-16-18-x-1-in-grade-9","provider":"Voomi Supply","version":"1.0","type":"link"}