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The VALUE COLLECTION 3SSC905F0100 is a fully threaded hex head cap screw designed for general mechanical fastening applications. It carries a 5/16-24 UNF thread form and measures 1 inch in length under the head. The fastener is manufactured from Grade 18-8 stainless steel and is supplied uncoated, making it well suited for environments where corrosion resistance is a priority. The 1/2-inch hex drive size is compatible with standard hex wrenches and sockets. Typical installers include maintenance technicians, plumbers, HVAC mechanics, and general trade professionals who require a reliable, corrosion-resistant threaded fastener.
This cap screw is appropriate for use in light to medium-duty assemblies across residential and commercial applications. Its fully threaded shank provides consistent clamping force along the full grip length, which is advantageous in thin-material or close-tolerance installations. The 5/16-24 UNF fine thread pitch offers greater tensile strength and improved resistance to loosening under vibration compared to coarse thread equivalents of the same diameter, making it a practical choice for equipment panels, brackets, and mechanical assemblies.
Designed as a standard 5/16-24 UNF hex head cap screw suitable for use in mechanical, HVAC, plumbing, and electrical equipment assemblies that specify a fully threaded 18-8 stainless steel fastener of this thread size and length.
Install using a 1/2-inch hex socket or open-end wrench. Ensure mating threads are clean and free of debris before installation to prevent cross-threading or galling, which is a known risk with stainless steel fasteners. Do not exceed the torque capacity appropriate for the assembly joint; consult the equipment manufacturer's specifications for torque values. Apply an anti-seize compound if the fastener will be subject to heat cycling or repeated removal.
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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