{"product_id":"cap-screws-button-socket-steel-black-oxide-4-40-x-3-16","title":"#4-40 X 3\/16\" Button Head Cap Screws | Steel Black Oxide (1 \/ Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eCap Screws Button Socket Steel Black Oxide 4-40 x 3\/16 offers a compact solution for precise fastening in tight spaces. The button head provides a low-profile look while delivering dependable clamping power in electronics, fixtures, and machinery.\u003c\/p\u003e \u003cp\u003eCrafted from durable steel and finished in black oxide, these socket cap screws resist corrosion and provide a smooth, professional appearance in assembled projects. The 4-40 thread with a 3\/16 inch length makes them ideal for small assemblies where space is at a premium.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eHead style:\u003c\/b\u003e Button (button socket) head for a low-profile, clean look\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 a sleek appearance and added corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread size:\u003c\/b\u003e 4-40\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 3\/16 inch\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Internal hex (Allen) drive\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Electronics, small assemblies, precision machinery, fixtures\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThese cap screws deliver reliable performance in a variety of projects. Ideal for electronics enclosures, hobbyist builds, and industrial fixtures where a low-profile, strong fastener is essential. Add them to your toolkit for fast, secure finishes on every task.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50350676279575,"sku":"0403CSBKC","price":23.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0404CSB188BYW_73e7e120-7c9e-495e-a025-026e8c517d64.jpg?v=1747423227","url":"https:\/\/mutualscrew.com\/products\/cap-screws-button-socket-steel-black-oxide-4-40-x-3-16","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}