{"product_id":"hex-head-cap-screws-grade-8-steel-plain-usa-made-3-8-24-x-4_3864ch8pusabb","title":"[250 PKG] Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 3\/8-24 x 4","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for heavy-duty fastening, our Hex Head Cap Screws Grade 8 Steel Plain (USA Made) deliver maximum strength in demanding applications. Sized at 3\/8-24 UNC with a 4-inch length, these high-performance fasteners provide robust engagement for automotive, industrial, and equipment assemblies. The plain steel finish offers versatility and predictable performance in a wide range of environments.\u003c\/p\u003e \u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e SAE Grade 8 steel for exceptional tensile strength and durability under load.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Plain (uncoated) steel, ideal for customization or subsequent coating in your process.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize and thread:\u003c\/b\u003e 3\/8\" diameter with 24 threads per inch (UNC) for secure, standardized fastening.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 4 inches of engagement for deeper joints and reliable hold.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOrigin:\u003c\/b\u003e Proudly manufactured in the USA for consistent quality control.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Hex Head Cap Screw\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eGrade:\u003c\/b\u003e 8 (high-strength steel)\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Plain\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDiameter:\u003c\/b\u003e 3\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread:\u003c\/b\u003e 24 TPI UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 4 inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMade in:\u003c\/b\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for heavy machinery, automotive assemblies, and industrial equipment where high-strength fasteners are required. The plain finish allows easy integration with existing coatings or examinations for corrosion protection as part of your broader engineering solution.\u003c\/p\u003e \u003ch4\u003eInstallation tips\u003c\/h4\u003e\n\u003cp\u003eEnsure proper torque and thread engagement for peak performance. Use appropriate lubrication and verify clearances before tightening to avoid galling on Grade 8 steel. For outdoor or humidity-prone environments, consider applying a protective coating or plating to extend life based on your project needs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50349034406167,"sku":"3864CH8PUSABB","price":147.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/hex_cap_screw_plain_steel1_8d862b10-3e5c-47d6-8f90-58096d23a190.gif?v=1744978424","url":"https:\/\/mutualscrew.com\/products\/hex-head-cap-screws-grade-8-steel-plain-usa-made-3-8-24-x-4_3864ch8pusabb","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}