{"product_id":"holo-krome-61040-flat-socket-cap-screw-3-8-24-x-5-8-in","title":"Holo-krome 61040 Flat Socket Cap Screw 3\/8-24 X 5\/8 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HOLO-KROME 61040 is a flat socket cap screw designed for applications requiring a flush or countersunk fastener profile. It features an 82-degree flat head driven by a 7\/32-inch hex socket and is fully threaded along its 5\/8-inch overall length. The 3\/8-24 UNF thread specification and 3A thread fit class deliver precise engagement in fine-thread tapped holes. Manufactured from alloy steel with a black oxide finish, this screw achieves a hardness of 39-44 HRC, making it suitable for structural and mechanical assemblies where strength and a low-profile head are required. Machinists, maintenance technicians, and mechanical assemblers are the typical installers.\u003c\/p\u003e\n\u003cp\u003eThis fastener is used in mechanical assemblies, machine components, and structural connections where a countersunk head is needed to sit flush with or below the workpiece surface. The fine 3\/8-24 UNF thread is well suited for applications demanding tight thread engagement and vibration resistance. The black oxide finish provides mild corrosion resistance and reduces light reflection, making it a common choice in precision equipment, tooling fixtures, and industrial machinery. Both inch-measurement and ASME-standardized environments are appropriate contexts for this screw.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e82-degree flat head profile for flush or countersunk installations\u003c\/li\u003e\n  \u003cli\u003e7\/32-inch hex socket drive for standard Allen key compatibility\u003c\/li\u003e\n  \u003cli\u003e3\/8-24 UNF fully threaded at 3A thread fit class for precise engagement\u003c\/li\u003e\n  \u003cli\u003eAlloy steel construction with 39-44 HRC hardness for high-strength applications\u003c\/li\u003e\n  \u003cli\u003eBlack oxide finish for mild corrosion resistance and reduced surface reflectivity\u003c\/li\u003e\n  \u003cli\u003eMeets ASME B18.3 and ASTM F835 fastener standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style and replacement flat socket cap screw for inch-measurement mechanical assemblies requiring a 3\/8-24 UNF countersunk fastener per ASME B18.3 and ASTM F835 specifications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed with a 7\/32-inch hex key or Allen driver; ensure the driver is fully seated before applying torque to avoid rounding the socket. Power down or de-energize any equipment before fastener service in live assemblies. Countersink the mating material to the correct 82-degree angle to achieve a proper flush seating. Follow applicable mechanical assembly codes and equipment manufacturer guidelines when determining fastener loading requirements.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 3\/8-24 UNF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 5\/8 inches (overall)\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: 7\/32 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Diameter\u003c\/strong\u003e: 0.7810 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Height\u003c\/strong\u003e: 0.2340 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull or Partial Threading\u003c\/strong\u003e: Fully Threaded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Fit Class\u003c\/strong\u003e: 3A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Alloy Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\/Coating\u003c\/strong\u003e: Black Oxide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: 39-44 HRC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFastener Standard\u003c\/strong\u003e: ASME B18.3, ASTM F835\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: HOLO-KROME\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 61040\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HOLO-KROME","offers":[{"title":"Default Title","offer_id":51754850124082,"sku":"61040","price":11273.67,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/0529be6e14c117609be31a400e0a08a1.jpg?v=1788949207","url":"https:\/\/voomisupply.com\/products\/holo-krome-61040-flat-socket-cap-screw-3-8-24-x-5-8-in","provider":"Voomi Supply","version":"1.0","type":"link"}