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The VALUE COLLECTION MP30592 is a 3/8-16 hex head cap screw machined from Grade 316 stainless steel, measuring 1 inch under the head with a 9/16-inch hex drive. Grade 316 stainless steel provides strong resistance to chloride corrosion, making this fastener a dependable choice in marine, chemical processing, food service, and outdoor environments where standard 18-8 stainless may not hold up. The Unified National Coarse (UNC) thread form ensures broad compatibility with standard tapped holes and hex nuts. Installed with a standard 9/16-inch wrench or socket, this screw is a direct fit for general mechanical assembly, equipment mounting, and structural fastening applications across the trades.
This cap screw is suited for use in plumbing, HVAC, electrical enclosure, and pool equipment installations where corrosion resistance is a priority. It is commonly used when fastening brackets, flanges, access panels, or mechanical components in wet or chemically active environments. The 3/8-16 UNC thread size is a widely specified fastener dimension in both residential and light commercial trade work, fitting standard hex nuts, coupling nuts, and tapped steel or aluminum components.
Designed as a standard 3/8-16 UNC hex head cap screw compatible with any application requiring a 1-inch-under-head fastener in Grade 316 stainless steel.
Installation requires a 9/16-inch wrench or socket. Power down or de-energize any equipment before fastening components near electrical systems. Follow applicable mechanical codes and equipment manufacturer torque guidance for the specific assembly. Inspect threads on mating components before installation to confirm UNC thread form compatibility.
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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