{"product_id":"cap-screws-button-socket-steel-black-oxide-5-16-18-x-1-1-4","title":"5\/16-18 X 1-1\/4\" Button Head Cap Screws | Steel Black Oxide (1 \/ Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eCap Screws Button Socket Steel Black Oxide 5\/16-18 X 1 1\/4 are precision-engineered socket cap screws featuring a smooth, rounded button head designed for a clean, low-profile appearance in tight spaces.\u003c\/p\u003e \u003cp\u003eMade from durable steel and finished in black oxide, these screws deliver reliable strength with enhanced corrosion resistance and a sleek, satin-black look that blends into most assemblies.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eHead style:\u003c\/b\u003e Button head socket cap screw for a compact profile\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Black oxide for corrosion resistance and reduced glare\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 5\/16-18 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 1 1\/4 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Hex socket (Allen) drive\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're assembling machinery, automotive components, or DIY projects, these socket cap screws offer dependable performance in a wide range of applications. The 5\/16-18 thread provides robust engagement, while the 1 1\/4 inch length ensures adequate bite in thicker materials.\u003c\/p\u003e \u003cp\u003eTips for installation: Clean threads, apply thread lubricant if required by your project, and tighten to the recommended torque to avoid over-tightening or thread damage.\u003c\/p\u003e \u003cp\u003eAdd these cap screws to your hardware toolkit for a durable, professional finish that matches most gray, black, or metallic assemblies.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50350687289623,"sku":"3120CSBKC","price":59.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0404CSB188BYW_6d62132a-c616-448e-af7f-3e7a8298f61b.jpg?v=1746803062","url":"https:\/\/mutualscrew.com\/products\/cap-screws-button-socket-steel-black-oxide-5-16-18-x-1-1-4","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}