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The VALUE COLLECTION R88412302 is a 5/16-18 UNC hex head cap screw measuring 1-3/4 inches under the head, manufactured from Grade 316 stainless steel with no additional finish coating. The partially threaded shank provides a bearing surface for clamping applications where full threading is not required. Grade 316 stainless offers superior corrosion resistance compared to Grade 304, making it suitable for exposure to moisture, chemicals, and saltwater environments. Tradespeople working in HVAC, plumbing, marine, or industrial settings will recognize this fastener as a standard choice where corrosion resistance and mechanical strength both matter.
This fastener is used across a wide range of trade and industrial applications including equipment mounting, pipe support hardware, panel assembly, and structural connections where exposure to corrosive environments is a concern. The 5/16-18 UNC thread is one of the most common unified coarse thread sizes, making this screw compatible with standard 5/16-18 nuts, inserts, and tapped holes. It is sold individually but requires a minimum order quantity of 25 units, making it appropriate for stocking, service vehicle inventory, or job-site supply.
Designed for use with standard 5/16-18 UNC nuts, hex nuts, lock nuts, and tapped holes conforming to unified coarse thread specifications.
Install using a standard hex wrench or socket driver sized for a 5/16-18 hex head fastener. Ensure mating threads are clean and free of debris before installation. When installing stainless steel fasteners, apply an appropriate anti-seize compound to reduce the risk of galling on the threads. Power down or de-energize any equipment before fastening work begins in electrical or mechanical enclosures.
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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