Value Collection 36826 Flat Socket Cap Screw 5/16-18 X 1.5 in

Product Description

The VALUE COLLECTION 36826 is a fully threaded flat socket cap screw designed for flush or countersunk fastening applications in metal fabrication, machinery assembly, and general industrial work. It features an 82-degree flat head with a 3/16-inch hex socket drive, allowing installation with a standard hex key in tight or recessed clearances. The fastener is manufactured from alloy steel and finished with a black oxide coating, which provides mild corrosion resistance and reduces light reflection on exposed hardware. Thread size is 5/16-18 UNC with an overall length of 1-1/2 inches. This screw meets ASME/ANSI B18.3 and ASTM F835 standards.

This flat socket cap screw is suited for applications where the fastener head must sit flush or below the surface of the workpiece. Common uses include machine guards, fixtures, tooling plates, and enclosures in industrial and mechanical settings. The UNC thread form is standard in inch-measurement systems and compatible with the wide range of tapped holes and threaded inserts found in North American manufacturing environments. Machinists, millwrights, and maintenance technicians are the primary installers. Sold in minimum order quantities of 25.

Key Features

• 82-degree flat head for flush or countersunk installation
• 3/16-inch hex socket drive accepts standard hex keys and ball-end drivers
• Alloy steel construction provides high tensile strength for demanding fastening applications
• Black oxide finish offers mild corrosion resistance and low-glare appearance
• Fully threaded along the 1-1/2-inch overall length for maximum thread engagement
• Meets ASME/ANSI B18.3 and ASTM F835 fastener standards

Compatibility

Designed as a standard inch-series flat socket cap screw for use in any application requiring a 5/16-18 UNC tapped hole with an 82-degree countersunk seat.

Installation Notes

Installation requires a correctly sized countersink in the mating material to achieve a flush seating surface for the 82-degree flat head. Use the correct 3/16-inch hex key or driver to avoid rounding the socket. Ensure the tapped hole is clean and free of debris before driving the fastener. Follow applicable industry torque guidelines for 5/16-18 alloy steel fasteners and apply thread-locking compound where vibration is a concern.