Value Collection 721091PR Flat Socket Cap Screw 8-32

Product Description

The VALUE COLLECTION 721091PR is an 8-32 x 7/8 inch flat socket cap screw designed for flush or countersunk fastening applications in metal assemblies. It features an 82-degree flat head profile with a 3/32 inch hex socket drive, allowing installation with a standard hex key or Allen wrench. Machined from alloy steel with a black oxide finish, this screw delivers solid tensile strength and moderate corrosion resistance in dry or lightly exposed environments. The fastener is fully threaded along its entire 7/8 inch length, making it suitable for through-hole and shallow-depth applications. Machinists, millwrights, and fabricators commonly specify this hardware in tooling, fixtures, and mechanical assemblies.

This flat socket cap screw is used in applications where a low-profile flush head is required and the fastener must sit flush with or below the surface of the workpiece. The 8-32 UNC thread size is a standard coarse-thread designation common in light machine frames, electrical enclosures, panel mounts, and precision fixtures. It is sold in a minimum order quantity of 100 pieces per order, making it appropriate for production runs, maintenance stock, or shop inventory. Fabricators, OEM assembly lines, and MRO operations regularly stock this size for general mechanical assembly work.

Key Features

• 82-degree flat head profile seats flush in standard countersunk holes
• 3/32 inch hex socket drive for use with a standard hex key
• Alloy steel construction provides high tensile strength for machine fastening
• Black oxide finish offers mild corrosion resistance and reduced light reflection
• Fully threaded 7/8 inch length maximizes thread engagement in through-hole applications
• Conforms to ASME/ANSI B18.3 and ASTM F835 fastener standards

Compatibility

Designed as a standard UNC machine screw for use in any application requiring an 8-32 countersunk hex socket fastener per ASME/ANSI B18.3 and ASTM F835 specifications.

Installation Notes

Installation is performed with a 3/32 inch hex key or Allen wrench driver. Ensure the mating hole is countersunk to an 82-degree included angle before installation to achieve proper head seating. Do not overtighten into soft substrates such as aluminum or plastic, as alloy steel fasteners can strip shallow threads under excessive torque. Follow applicable engineering or assembly specifications for torque requirements based on joint material and application.