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The VALUE COLLECTION MP30104 is a fully threaded hex head cap screw designed for general mechanical and structural fastening applications. It features a 1/2-13 UNC thread size with a 1-inch length under head, manufactured from Grade 5 steel with a zinc-plated finish for corrosion resistance. This screw conforms to ASME B18.2.1 standards, making it a reliable choice for maintenance, repair, and assembly work across HVAC, plumbing, electrical, and mechanical trades. Each package contains 25 pieces, suited for both single-repair tasks and light production work.
This hex head cap screw is appropriate for use in residential and light commercial applications where a standard inch-series UNC fastener is required. Common install scenarios include equipment mounting, bracket fabrication, panel assembly, and general mechanical connections. The zinc plating provides baseline protection against moisture and mild environmental exposure, making it suitable for indoor and semi-protected outdoor installations.
Designed as a standard inch-series UNC hex head cap screw compatible with any 1/2-13 threaded nut, insert, or tapped hole conforming to UNC thread standards.
Installation is performed with a standard hex wrench or socket of the appropriate drive size. Apply fastener torque in accordance with Grade 5 hardware torque specifications provided by the equipment manufacturer or applicable industry guidelines. Ensure the mating thread is clean and free of debris before assembly. Do not exceed the rated torque for Grade 5 hardware to avoid fastener failure.
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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