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The VALUE COLLECTION D30052 is a fully threaded hex head cap screw designed for general fastening applications in mechanical assemblies, equipment maintenance, and structural connections. Manufactured from Grade 5 steel with a zinc-plated finish, this fastener meets ASME B18.2.1 dimensional standards. The 3/8-16 UNC thread and 3/4-inch length under head make it a common size across a wide range of industrial, HVAC, plumbing, and electrical panel assembly tasks. The zinc coating provides baseline corrosion resistance suitable for indoor and protected outdoor environments. Installers and technicians working with standard inch-system hardware will find this a reliable utility fastener for everyday service work.
This cap screw is suited for residential and light commercial applications where Grade 5 steel strength is required and metric fasteners are not appropriate. Typical use cases include securing equipment brackets, motor mounts, access panels, and component housings across HVAC, plumbing, and electrical trades. The fully threaded configuration allows engagement along the full shank length, which is useful when fastening into shallow tapped holes or joining two tapped components. It is sold in multiples of 25 units per order.
Designed as a standard inch-system hex head cap screw for use with 3/8-16 UNC tapped holes and matching hex nuts in general mechanical and trade assembly applications.
Installation requires a standard 9/16-inch hex wrench or socket driver appropriate for a 3/8-16 fastener. Power down or de-energize any equipment before accessing fastener locations on electrical or mechanical assemblies. Do not exceed the torque rating appropriate for Grade 5 steel at this thread size as specified by the equipment manufacturer or applicable standards. Inspect threads and mating surfaces for damage or contamination before installation to ensure full engagement and reliable clamping force.
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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