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The VALUE COLLECTION 837431BR is a hex socket cap screw designed for high-strength bolted assemblies requiring a recessed drive profile. Sized at 5/8-11 UNC with a 4-inch length under head, this fastener is partially threaded and driven by a 1/2-inch hex key. It is machined from alloy steel and finished with a zinc-plated coating to provide corrosion resistance in indoor and light industrial environments. Maintenance technicians, millwrights, and mechanical contractors use this style of cap screw in equipment frames, machinery guards, structural fixtures, and general fabrication work where a flush or recessed fastener head is required.
This screw is suited for use in manufacturing facilities, mechanical rooms, and fabrication shops wherever a 5/8-11 UNC threaded hole is present. The socket cap head allows installation in tight or recessed spaces where a standard hex head wrench cannot reach. It is appropriate for general-purpose fastening applications in both OEM assembly and MRO replacement contexts. Minimum order quantity is 10 pieces; package quantity is 1.
Designed as a standard replacement or OEM-style socket cap screw for any application requiring a 5/8-11 UNC partially threaded fastener with a 1/2-inch hex drive and 4-inch length under head.
Installation requires a 1/2-inch hex key or Allen-type bit socket rated for the torque demand of a 5/8-11 UNC fastener. Ensure the mating threaded hole is clean and free of debris before installation. De-energize or lock out any equipment before servicing fasteners on live machinery in accordance with applicable OSHA lockout/tagout procedures. Do not exceed the tensile rating of the alloy steel base material by over-torquing in soft or worn threads.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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