{"product_id":"hex-head-cap-screws-grade-8-steel-plain-1-3-8-6-x-13-pt_137208ch8pbb","title":"[5 PKG] Hex Head Cap Screws Grade 8 Steel Plain 1 3\/8-6 x 13\"\" (PT)","description":"\u003cdiv\u003e\n\u003cp\u003eOur \u003cb\u003eHex Head Cap Screws Grade 8 Steel Plain 1 3\/8-6 x 13\" (PT)\u003c\/b\u003e are engineered for maximum strength in demanding applications. Crafted from high?grade steel, these bolts deliver exceptional tensile and shear performance under heavy loads, making them a reliable choice for heavy machinery, automotive assemblies, and structural connections.\u003c\/p\u003e \u003cp\u003eWith a \u003cb\u003eplain finish\u003c\/b\u003e, these hex head cap screws are ideal for installations where plating is not required or where a protective coating will be applied in the field. They provide dependable fastening in indoor or controlled environments and are compatible with standard hex drivers for fast, confident tightening.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Grade 8 steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Plain (unplated)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize:\u003c\/b\u003e 1 3\/8 in diameter\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread pitch:\u003c\/b\u003e 6 TPI\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 13 in\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead type:\u003c\/b\u003e Hex head cap screw\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Heavy-duty machinery, automotive assemblies, structural connections\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose \u003cb\u003eGrade 8 hex head cap screws\u003c\/b\u003e when you need high-strength fasteners that deliver reliable clamping and long-term durability in suitable environments. Pair with compatible nuts and washers and follow proper torque guidelines for your application to ensure optimal performance.\u003c\/p\u003e \u003cp\u003eAdd these Grade 8 plain hex head cap screws to your hardware lineup and tackle tough fastening tasks with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50349016744215,"sku":"137208CH8PBB","price":180.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/hex_cap_screw_plain_steel1_1f239539-7cae-47f5-a066-12a2d5681f10.gif?v=1747172249","url":"https:\/\/mutualscrew.com\/products\/hex-head-cap-screws-grade-8-steel-plain-1-3-8-6-x-13-pt_137208ch8pbb","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}