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The VALUE COLLECTION 204286 is a partially threaded hex head cap screw designed for fastening applications that require corrosion-resistant hardware. Sized at 5/8-11 thread with a 2-3/4 inch length under head, it follows the Unified National Coarse (UNC) thread standard. Constructed from Grade 316 stainless steel with a bright uncoated finish, this fastener offers strong resistance to oxidation, moisture, and many chemical environments. It is well suited for mechanical assemblies, structural connections, and equipment installations where standard carbon steel fasteners would corrode. Tradespeople in plumbing, HVAC, marine, and industrial service install this type of fastener regularly.
This fastener fits applications where a 5/8-11 UNC thread pattern is specified. Partial threading allows the unthreaded shank to bear shear loads while the threaded section engages the nut or tapped hole. Grade 316 stainless is the preferred material grade for wet, coastal, or chemically active environments. Typical uses include equipment mounting, pipe flange connections, pump assemblies, pool equipment installations, and general mechanical work where corrosion resistance is required.
Designed for use with 5/8-11 UNC threaded nuts, inserts, or tapped holes in standard inch-system assemblies. Verify thread engagement depth and material compatibility before installation.
Installation requires a standard hex wrench or socket sized for a 5/8 inch fastener. De-energize or depressurize any system before disassembling or assembling fastened joints. Apply anti-seize compound when threading Grade 316 stainless fasteners into stainless or aluminum tapped holes to prevent galling. Follow applicable mechanical codes and equipment manufacturer torque guidance for the specific assembly.
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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