{"product_id":"socket-head-cap-screws-alloy-steel-thermal-black-oxide-1-4-20-x-3-8_1406cspkc","title":"1\/4-20 X 3\/8\" Socket Head Cap Screws | Alloy Steel Black Oxide (1 \/ Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eSocket Head Cap Screws\u003c\/b\u003e in alloy steel with a durable thermal black oxide finish for reliable performance in demanding environments. Designed with a compact, cylindrical head and a hex drive, these fasteners provide high-torque capability and precise seating in tight spaces.\u003c\/p\u003e \u003cp\u003eThis size features a 1\/4-20 UNC thread and a length of 3\/8 in, making it ideal for a wide range of mechanical, automotive, and industrial applications where strength and consistency matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Alloy steel\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Thermal black oxide\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eHead style:\u003c\/b\u003e Socket head cap screw\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Hex socket\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThread:\u003c\/b\u003e 1\/4-20 UNC\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 3\/8 in\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eApplications\u003c\/h4\u003e\n\u003cp\u003eUse these socket head cap screws for equipment assemblies, machinery, fixtures, and projects requiring strong, secure fasteners with a clean, low-profile appearance. The thermal black oxide finish provides corrosion resistance and an understated, professional look without adding significant weight.\u003c\/p\u003e \u003ch4\u003eWhy choose alloy steel fasteners\u003c\/h4\u003e\n\u003cp\u003eAlloy steel offers superior strength and durability for demanding applications, while the black oxide finish reduces glare and adds basic corrosion resistance in non-severe environments. These screws are compatible with standard hex keys (Allen wrenches) for easy installation and reliable torque transfer.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50366277714199,"sku":"1406CSPKC","price":24.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/00002CSP_39835803-8e8c-4149-93db-90316aefc79b.jpg?v=1744920593","url":"https:\/\/mutualscrew.com\/products\/socket-head-cap-screws-alloy-steel-thermal-black-oxide-1-4-20-x-3-8_1406cspkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}