{"product_id":"hex-head-cap-screws-grade-8-steel-zinc-yellow-plated-fine-thread-usa-made-5-8-18x9_63144ch8okc","title":"5\/8-18 X 9\" Hex Head Cap Screws | Grade 8 Steel Yellow Plated | Partially Threaded (45 \/ Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eChoose the Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated Fine Thread 5\/8-18 x 9 inches for demanding applications that require high strength, durability, and reliable performance. These hex head cap screws are engineered from SAE Grade 8 steel and feature a yellow zinc plating for corrosion resistance, paired with a fine thread for precise, vibration-sensitive assemblies.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSize and Thread\u003c\/b\u003e: 5\/8-18 x 9 inches — 5\/8\" diameter, 18 threads per inch, 9\" long; fine-thread design for strong pull and precise alignment\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: SAE Grade 8 steel for high tensile strength and durability\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Zinc yellow plated for robust corrosion resistance and a durable protective coating\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead Type\u003c\/b\u003e: Hex head cap screw for easy driving with standard wrenches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Ideal for automotive, machinery, construction, and industrial equipment where high-strength fasteners are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThese fasteners deliver superior torque tolerance, reliable performance under load, and long-lasting protection against rust in harsh environments. The fine thread design provides precise clamping and smooth thread engagement in sensitive assemblies.\u003c\/p\u003e \u003ch3\u003eWhy Choose Grade 8 Hex Screws\u003c\/h3\u003e\n\u003cp\u003eWhen you need fasteners that can withstand high stress, these Grade 8 steel hex screws deliver. The yellow zinc plating offers a robust protective barrier, while the fine thread helps achieve a tight, secure fit in assemblies that demand accuracy and durability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50349214269719,"sku":"63144CH8OKC","price":608.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/b-1214866_5d248334-518a-4e77-b921-2280c586e758.jpg?v=1747147513","url":"https:\/\/mutualscrew.com\/products\/hex-head-cap-screws-grade-8-steel-zinc-yellow-plated-fine-thread-usa-made-5-8-18x9_63144ch8okc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}