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The VALUE COLLECTION 204223C is a 3/8-16 hex head cap screw designed for general fastening applications requiring corrosion resistance. It measures 2 inches under the head and features a 9/16-inch hex drive. The screw is manufactured from Grade 316 stainless steel, which provides superior resistance to chlorides, salt water, and chemical exposure compared to standard 304-grade material. The UNC (Unified National Coarse) thread form is the most common inch-series thread standard used in North American trade work. This fastener is used by plumbers, pipefitters, HVAC technicians, electricians, and general contractors who need reliable corrosion-resistant fastening in demanding environments.
This screw is suited for indoor and outdoor installations where moisture, salt air, or chemical exposure is a concern. Typical applications include equipment mounting, pipe support hardware, pool and spa equipment enclosures, marine environments, food service installations, and coastal HVAC or mechanical system assemblies. The coarse UNC thread makes it compatible with standard tapped holes and hex nuts in 3/8-16 thread size.
Designed as a standard 3/8-16 UNC hex head cap screw for use with any application requiring an inch-series coarse-thread fastener in Grade 316 stainless steel.
Install using a 9/16-inch wrench or socket driver. Ensure mating threads are clean and free of debris before installation. Apply an anti-seize compound when threading stainless steel fasteners into stainless steel tapped holes to prevent galling. Follow applicable mechanical and structural codes for torque and fastener selection specific to your application.
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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