Value Collection 837421BR Hex Socket Cap Screw 5/8-11

Product Description

The VALUE COLLECTION 837421BR is a hex socket cap screw designed for high-strength fastening applications in industrial, mechanical, and structural assemblies. This screw features a 5/8-11 UNC thread size and a 2.5-inch length under the head, with partial threading along the shank. It is manufactured from alloy steel with a zinc-plated finish that provides corrosion resistance in standard service environments. The 1/2-inch hex drive socket is engaged using a standard hex key or Allen wrench. This fastener meets ASTM B695 standards and is suited for installation by millwrights, machinists, maintenance technicians, and general tradespeople working with threaded fastener assemblies.

This cap screw is used in residential and commercial mechanical assemblies where a recessed drive fastener is required for flush or countersunk installation. Typical applications include machine frames, equipment enclosures, jigs, fixtures, and structural brackets. The partial thread design provides a strong clamping grip and is preferred when fastening materials of varying thickness or when a shoulder bearing surface is needed. The zinc-plated alloy steel construction makes it suitable for dry to mildly humid indoor environments.

Key Features

• 5/8-11 UNC thread size for compatibility with standard unified coarse thread nuts and tapped holes
• 2.5 inches length under head with partial threading along the shank
• 1/2-inch hex socket drive for use with standard hex keys or Allen wrenches
• Alloy steel construction provides high tensile strength for demanding fastening applications
• Zinc-plated finish meets ASTM B695 for corrosion protection in standard indoor environments

Compatibility

Designed as a standard 5/8-11 UNC hex socket cap screw suitable for use in any application requiring a partially threaded alloy steel socket head fastener with a 1/2-inch hex drive and 2.5-inch length under head.

Installation Notes

Install using a 1/2-inch hex key or Allen wrench; ensure the mating tapped hole or nut is clean and free of debris before driving. Power down and de-energize any equipment before servicing fasteners on electrical or mechanical assemblies. Do not over-torque alloy steel fasteners in tapped aluminum or cast iron holes, as thread stripping can occur. Follow applicable industry torque standards for the fastener grade and material combination in use.