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The VALUE COLLECTION 208929B is a 3/8-16 hex head cap screw machined from 18-8 stainless steel. It measures 1-1/2 inches under the head and follows Unified National Coarse (UNC) thread standards. The 9/16-inch hex drive allows installation with standard wrenches or hex sockets. This fastener is used across plumbing, HVAC, pool equipment, and general mechanical assemblies where corrosion resistance and dimensional consistency are required. Installation is performed by HVAC technicians, plumbers, electricians, and general mechanical trades.
This screw is suited for indoor and outdoor applications where moisture, mild chemicals, or corrosive environments are a concern. 18-8 stainless steel provides reliable corrosion resistance in residential and light commercial settings. Typical uses include securing equipment panels, brackets, flanges, pipe hangers, and junction boxes. The UNC thread form is the most common inch-series thread standard, making this screw broadly compatible with tapped holes and standard hex nuts across a wide range of equipment.
Designed as a standard 3/8-16 UNC inch-series hex head cap screw for use with any tapped hole, nut, or threaded insert conforming to UNC 3/8-16 specifications.
Install using a 9/16-inch open-end wrench, box wrench, or socket. De-energize or shut down any equipment before fastening or removing hardware in electrical or mechanical enclosures. Apply thread lubricant or anti-seize compound where stainless galling is a concern, particularly when threading into stainless or aluminum tapped holes. Follow applicable mechanical and building codes for fastener selection and torque requirements.
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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