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The VALUE COLLECTION 209052C is a 5/16-18 hex head cap screw measuring 2 inches under the head, manufactured from 18-8 stainless steel with a Unified National Coarse (UNC) thread standard. The 18-8 grade stainless construction provides solid corrosion resistance in wet, outdoor, and mildly chemical-exposed environments, making it a practical choice for general mechanical assembly, equipment maintenance, and light fabrication work. The 1/2-inch hex drive allows use with standard wrenches and sockets. Trades professionals and maintenance technicians will find this fastener suited to a wide range of service and installation applications.
This cap screw is appropriate for residential and commercial applications where corrosion resistance is required without the cost of 316 stainless. Typical use cases include HVAC equipment panels, plumbing fixture mounting, electrical enclosure assembly, and general equipment fastening where inch-series threaded hardware is specified. The UNC thread form is the standard for general-purpose inch-series fastening in North American trade work.
Designed as a general-purpose inch-series hex head cap screw for use wherever 5/16-18 UNC threaded fasteners are specified in trade, maintenance, and light fabrication applications.
Installation is appropriate for any trade technician performing equipment assembly or maintenance. Ensure mating threads are clean and free of debris before driving. Avoid mixing stainless fasteners with dissimilar metals in applications where galvanic corrosion is a concern. Apply thread lubricant or anti-seize compound when fastening stainless to stainless to prevent galling.
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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