Value Collection 36822 Flat Socket Cap Screw 5/16-18 X 5/8 in 25pk

Product Description

The VALUE COLLECTION 36822 is a flat socket cap screw designed for flush or countersunk fastening applications in mechanical assemblies, fixtures, and fabricated components. It features an 82-degree flat head profile with a 3/16-inch hex socket drive, allowing installation with a standard hex key or Allen wrench. The fastener is machined from alloy steel and finished in black oxide, which provides moderate corrosion resistance and a low-reflectance appearance. At 5/16-18 UNC threading and 5/8-inch overall length, fully threaded, this screw suits medium-duty clamping and alignment work where a low-profile head is required. Each package contains 25 pieces.

This screw is suited for use in light industrial, mechanical, and maintenance applications where a countersunk socket drive fastener is needed. Common install scenarios include panel mounting, jig and fixture assembly, machine guards, and equipment enclosures. The 5/16-18 UNC thread is a widely used coarse-thread standard that engages standard tapped holes and inserts. The fully threaded shank maximizes thread engagement across the full grip length, making it a practical choice where thin material or short engagement depth is a factor.

Key Features

• 82-degree flat head seats flush in standard countersunk holes
• 3/16-inch hex socket drive for use with Allen keys or hex bit drivers
• Fully threaded shank for maximum thread engagement
• Alloy steel construction for strength in medium-duty fastening applications
• Black oxide finish provides mild corrosion resistance and reduced glare
• Meets ASME/ANSI B18.3 and ASTM F835 fastener standards

Compatibility

Designed for use in standard 5/16-18 UNC tapped holes requiring a countersunk flat-head socket fastener. Compatible with fixtures, assemblies, and components machined to ASME/ANSI B18.3 countersink geometry.

Installation Notes

Install with a 3/16-inch hex key or Allen-type bit driver. Ensure the mating hole is countersunk to the correct 82-degree included angle before driving the fastener. Power down or de-energize any equipment before accessing fastened assemblies on live systems. Follow applicable mechanical codes and torque guidelines for 5/16-18 alloy steel fasteners as specified by the equipment manufacturer.