{"product_id":"hex-head-cap-screws-grade-8-steel-zinc-yellow-plated-usa-made-5-16-18x3-1-4_3152ch8okc","title":"[450 BULK] Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated (USA Made) 5\/16-18X3 1\/4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eHex Head Cap Screws\u003c\/b\u003e Grade 8 Steel Zinc Yellow Plated, USA Made, 5\/16-18 x 3 1\/4\". These high-strength fasteners deliver dependable performance for demanding industrial, automotive, and construction applications.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eThread Size\u003c\/b\u003e: 5\/16-18\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength\u003c\/b\u003e: 3 1\/4\" (3.25\") under head to tip\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Grade 8 Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Zinc Yellow Plated\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead Style\u003c\/b\u003e: Hex Head Cap Screw\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive Type\u003c\/b\u003e: Hex\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOrigin\u003c\/b\u003e: USA Made\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for superior torque and secure clamping, these screws pair with standard nuts and washers rated for 5\/16-18 threads. The zinc yellow plating provides corrosion resistance in mildly harsh environments, while Grade 8 steel offers high tensile strength for critical fastenings. Install with a standard hex wrench or socket sized for the hex head to achieve proper torque and a secure fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50349184712983,"sku":"3152CH8OKC","price":424.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/b-1214866_fed9f27e-9120-47dc-8558-fb05f247d53f.jpg?v=1747147755","url":"https:\/\/mutualscrew.com\/products\/hex-head-cap-screws-grade-8-steel-zinc-yellow-plated-usa-made-5-16-18x3-1-4_3152ch8okc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}