{"product_id":"value-collection-r63008684-flat-socket-cap-screw-4-40","title":"Value Collection R63008684 Flat Socket Cap Screw 4-40","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION R63008684 is a flat socket cap screw designed for precision fastening applications where a flush or countersunk head profile is required. Manufactured from 18-8 stainless steel, this screw offers good corrosion resistance suitable for general industrial, mechanical, and light marine environments. The 82-degree flat head seats into a standard countersink to sit flush with the mating surface. Drive is a 1\/16-inch hex socket (Allen key), providing positive torque engagement in tight clearance areas. Thread size is 4-40 UNC with an overall length of 1\/4 inch. Installed by machinists, maintenance technicians, and assembly professionals across a wide range of industries.\u003c\/p\u003e\n\u003cp\u003eThis screw is suited for light-duty fastening tasks where a low-profile or flush-mount head is needed. Common applications include instrument panels, electronic enclosures, fixtures, jigs, and precision mechanical assemblies. The 4-40 UNC thread is a fine-pitch standard commonly found in small mechanical and electrical equipment. The 18-8 stainless steel construction resists oxidation and mild chemical exposure, making it appropriate for both indoor and outdoor applications where carbon steel fasteners would corrode prematurely.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e82-degree flat head countersink profile for flush seating against the mating surface\u003c\/li\u003e\n  \u003cli\u003e1\/16-inch hex socket drive for secure torque application in confined spaces\u003c\/li\u003e\n  \u003cli\u003e18-8 stainless steel construction for corrosion resistance in general-purpose environments\u003c\/li\u003e\n  \u003cli\u003e4-40 UNC thread standard for compatibility with common small-fastener tapped holes\u003c\/li\u003e\n  \u003cli\u003e1\/4-inch overall length suits thin-panel and shallow-clearance installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard 4-40 UNC flat socket cap screw for use in any application requiring an 82-degree countersunk hex-socket fastener in 18-8 stainless steel at 1\/4-inch overall length.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation requires a 1\/16-inch hex key or Allen driver. The mating hole must be drilled and countersunk to an 82-degree angle to allow the flat head to seat fully flush. Ensure the tapped hole meets 4-40 UNC thread specifications before driving the fastener to avoid cross-threading. Do not exceed the material yield strength of 18-8 stainless steel when applying torque, as over-driving can strip the small hex socket or the thread.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 4-40\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1\/4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Type\u003c\/strong\u003e: 82 Degree Flat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Type\u003c\/strong\u003e: Hex Socket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Size\u003c\/strong\u003e: 1\/16 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: 18-8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.001 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: R63008684\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51705986154802,"sku":"R63008684","price":406.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/408f581231a5bdc57305cb0616e0e55f.jpg?v=1788432124","url":"https:\/\/voomisupply.com\/products\/value-collection-r63008684-flat-socket-cap-screw-4-40","provider":"Voomi Supply","version":"1.0","type":"link"}