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The VALUE COLLECTION 3SSC905F0300 is a partially threaded hex head cap screw designed for general fastening applications across mechanical, industrial, and trade installations. It features a 5/16-24 UNF thread form, a 3-inch length under head, and a 1/2-inch hex drive. Constructed from Grade 18-8 stainless steel with no additional coating, this fastener provides reliable corrosion resistance in wet, outdoor, or chemically exposed environments. It is appropriate for use by plumbers, HVAC technicians, electricians, and general contractors who need a dependable stainless fastener in a fine-thread specification.
This cap screw is suited for residential and light commercial applications where a fine-thread, corrosion-resistant fastener is required. Typical uses include equipment panel attachment, bracket mounting, and mechanical assembly in environments where moisture or mild chemical exposure is a factor. The partial thread configuration allows for improved clamping force when fastening through thicker material, making it a practical choice for structural and mechanical connections requiring a secure hold without full thread engagement throughout the entire grip length.
Designed as a standard 5/16-24 UNF hex head cap screw for use in any application requiring a partially threaded, Grade 18-8 stainless steel fastener in this thread and length specification.
Installation should be performed using a properly sized 1/2-inch hex wrench or socket to avoid fastener damage. Always ensure mating threads are clean and free of debris before driving. When installing stainless steel fasteners, apply an appropriate anti-seize compound to prevent galling. Follow applicable mechanical and structural codes for torque and fastener specifications relevant to 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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