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The VALUE COLLECTION MP30110 is a 1/2-13 x 2-1/2 inch hex head cap screw manufactured from Grade 5 steel with a zinc-plated finish. It features partial threading and conforms to ASME B18.2.1 dimensional standards. The Unified National Coarse (UNC) thread form is the standard for general industrial and mechanical fastening in inch-based assemblies. This fastener is sold in a package of 10 and is appropriate for use by millwrights, maintenance technicians, HVAC installers, plumbers, and general tradespeople working on equipment assembly, structural brackets, and mechanical connections.
This cap screw is suited for a wide range of trade and industrial applications where a reliable, medium-strength fastener is required. Partial threading allows the unthreaded shank to bear shear loads, making it appropriate for clamped joint assemblies. The zinc plating provides basic corrosion resistance for indoor and mild-exposure environments. Common use cases include equipment mounting, bracket fabrication, ductwork support structures, and general mechanical assembly across HVAC, plumbing, and electrical trade work.
Designed for use with standard 1/2-13 UNC inch-series nuts, washers, and tapped holes in general mechanical and trade fastening applications.
Installation is performed using a standard hex wrench or socket set sized for a 1/2 inch fastener. Ensure mating threads are clean and free of debris before installation. Do not exceed the rated torque range for Grade 5 fasteners as specified by the joint design engineer or equipment manufacturer. Always use appropriate lock washers or thread-locking methods when vibration is a concern.
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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