Value Collection 48391 Flat Socket Cap Screw 10-24 X 5/16 in

Product Description

The VALUE COLLECTION 48391 is a flat socket cap screw designed for flush or countersunk fastening applications in metal, wood, and composite assemblies. Sized at 10-24 UNC threading with a 5/16-inch overall length, this screw features an 82-degree flat head profile and a 1/8-inch hex socket drive. Made from alloy steel with a black oxide finish, it provides corrosion resistance and a low-profile appearance. The fully threaded shank ensures maximum thread engagement across the full length. Each package contains 100 screws, making it a practical choice for production runs, service kits, and field stock.

This screw is suited for applications where the fastener head must sit flush with or below the surface of the mating material. Common uses include machine assemblies, equipment enclosures, jigs and fixtures, and panel mounting in industrial and mechanical maintenance settings. The black oxide finish reduces light reflection and offers mild corrosion protection in dry or lightly oiled environments. Installers working in HVAC, electrical, and light fabrication trades will find this size commonly used in control panel and bracket assembly work.

Key Features

• 82-degree flat head profile for flush or countersunk seating
• 1/8-inch hex socket drive compatible with standard Allen keys and hex bit drivers
• 10-24 UNC fully threaded shank for maximum thread engagement at 5/16-inch length
• Alloy steel construction provides strength suitable for mechanical fastening applications
• Black oxide finish for mild corrosion resistance and reduced surface reflectivity
• Meets ASME/ANSI B18.3 and ASTM F835 fastener standards

Compatibility

Designed as an OEM-style replacement or service stock fastener for any assembly requiring a 10-24 UNC flat socket cap screw with an 82-degree head angle and 5/16-inch overall length per ASME/ANSI B18.3 and ASTM F835 specifications.

Installation Notes

Install using a 1/8-inch hex key or hex socket bit driver; ensure the driver is fully seated before applying torque to avoid rounding the socket. Countersink the mating material to match the 82-degree head angle for a proper flush fit. Confirm the receiving thread is clean and free of debris before driving the screw. Follow applicable mechanical assembly codes and equipment manufacturer specifications when determining proper fastening torque for the assembly.