{"product_id":"5-8-18-zinc-grade-5-steel-fine-thread-hex-bolt-cap-screws","title":"5\/8\"-18 Zinc Grade 5 Steel Fine Thread Hex Bolt Cap Screws","description":"\u003cp\u003eThese high-quality hex cap screws are engineered for durability and strength, making them an ideal choice for automotive, construction, and industrial projects. Manufactured from medium carbon steel and tempered for increased strength, these Grade 5 fasteners provide a higher level of tensile strength than standard Grade 2 bolts, ensuring reliable performance in demanding applications.\u003c\/p\u003e\n\n\u003cp\u003eEach screw features a hexagonal head designed to be driven efficiently with a standard 15\/16\" wrench, allowing for maximum torque application. The zinc-plated finish offers a protective layer that resists corrosion and rust, extending the life of the hardware in various environments. With a fine thread pitch (18 TPI), these cap screws offer superior vibration resistance and finer adjustments compared to coarse-threaded alternatives.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 5\/8\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Zinc Plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e Grade 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Style:\u003c\/strong\u003e Hex (15\/16\" Wrench)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 18 (Fine)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Cap Screw\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDesigned for use in tapped holes or with compatible nuts, these hex cap screws are essential for projects requiring a secure, heavy-duty fastening solution. Whether you are performing machinery repairs or structural assembly, these Grade 5 steel fasteners deliver the professional-grade quality and consistency you need to get the job done right.\u003c\/p\u003e","brand":"Fastener Line","offers":[{"title":"1\" \/ 25 pcs.","offer_id":48723221774568,"sku":"00566","price":26.61,"currency_code":"USD","in_stock":true},{"title":"1-1\/4\" \/ 25 pcs.","offer_id":48723221807336,"sku":"00567","price":33.4,"currency_code":"USD","in_stock":true},{"title":"1-1\/2\" \/ 25 pcs.","offer_id":48723221840104,"sku":"00568","price":27.6,"currency_code":"USD","in_stock":true},{"title":"1-1\/2\" \/ 4 pcs.","offer_id":48723221872872,"sku":"71141","price":9.86,"currency_code":"USD","in_stock":true},{"title":"1-1\/2\" \/ 4 pcs","offer_id":48723221905640,"sku":"80720","price":11.03,"currency_code":"USD","in_stock":true},{"title":"2\" \/ 25 pcs.","offer_id":48723221938408,"sku":"00570","price":35.8,"currency_code":"USD","in_stock":true},{"title":"2\" \/ 4 pcs.","offer_id":48723221971176,"sku":"71142","price":10.42,"currency_code":"USD","in_stock":true},{"title":"2\" \/ 4 pcs","offer_id":48723222003944,"sku":"80729","price":11.7,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\" \/ 25 pcs.","offer_id":48723222036712,"sku":"00572","price":43.01,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\" \/ 4 pcs.","offer_id":48723222069480,"sku":"71143","price":12.26,"currency_code":"USD","in_stock":true},{"title":"2-1\/2\" \/ 4 pcs","offer_id":48723222102248,"sku":"80730","price":12.9,"currency_code":"USD","in_stock":true},{"title":"3\" \/ 25 pcs.","offer_id":48723222135016,"sku":"00574","price":50.77,"currency_code":"USD","in_stock":true},{"title":"3\" \/ 4 pcs.","offer_id":48723222167784,"sku":"71144","price":13.15,"currency_code":"USD","in_stock":true},{"title":"3\" \/ 3 pcs","offer_id":48723222200552,"sku":"80739","price":12.21,"currency_code":"USD","in_stock":true},{"title":"3-1\/2\" \/ 25 pcs.","offer_id":48723222233320,"sku":"00575","price":53.65,"currency_code":"USD","in_stock":true},{"title":"3-1\/2\" \/ 3 pcs.","offer_id":48723222266088,"sku":"71145","price":12.42,"currency_code":"USD","in_stock":true},{"title":"4\" \/ 25 pcs.","offer_id":48723222298856,"sku":"00576","price":56.78,"currency_code":"USD","in_stock":true},{"title":"4\" \/ 3 pcs.","offer_id":48723222331624,"sku":"80740","price":13.75,"currency_code":"USD","in_stock":true},{"title":"4\" \/ 4 pcs.","offer_id":48723222364392,"sku":"71161","price":15.2,"currency_code":"USD","in_stock":true},{"title":"4-1\/2\" \/ 25 pcs.","offer_id":48723222397160,"sku":"00577","price":92.91,"currency_code":"USD","in_stock":true},{"title":"5\" \/ 25 pcs.","offer_id":48723222429928,"sku":"00578","price":92.0,"currency_code":"USD","in_stock":true},{"title":"5\" \/ 4 pcs.","offer_id":48723222462696,"sku":"71162","price":18.71,"currency_code":"USD","in_stock":true},{"title":"5\" \/ 2 pcs.","offer_id":48723222495464,"sku":"80748","price":12.96,"currency_code":"USD","in_stock":true},{"title":"5-1\/2\" \/ 25 pcs.","offer_id":48723222528232,"sku":"00579","price":115.7,"currency_code":"USD","in_stock":true},{"title":"6\" \/ 25 pcs.","offer_id":48723222561000,"sku":"00580","price":102.94,"currency_code":"USD","in_stock":true},{"title":"6\" \/ 4 pcs.","offer_id":48723222593768,"sku":"71163","price":20.96,"currency_code":"USD","in_stock":true},{"title":"6\" \/ 2 pcs.","offer_id":48723222626536,"sku":"80749","price":14.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0258\/7584\/1076\/products\/00575.jpg?v=1756330821","url":"https:\/\/fastenerline.com\/products\/5-8-18-zinc-grade-5-steel-fine-thread-hex-bolt-cap-screws","provider":"Fastener Line","version":"1.0","type":"link"}