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The VALUE COLLECTION R57001253 is a partially threaded hex head cap screw designed for heavy-duty fastening applications where corrosion resistance and structural integrity are critical. Manufactured from 18-8 stainless steel with an uncoated finish, this fastener measures 1/2-13 thread size with a 16-inch length under head, following the Unified National Coarse (UNC) thread standard. The partial threading allows for greater shank strength along the unthreaded portion and is well suited for bolted joints requiring precise clamping load distribution. Licensed tradespeople and industrial maintenance technicians working with structural assemblies, mechanical systems, or equipment mounting applications will find this fastener appropriate for demanding service conditions.
This hex head cap screw is used in residential, commercial, and industrial installations where stainless steel fasteners are specified for corrosion resistance — including HVAC equipment mounting, plumbing equipment supports, pool mechanical enclosures, and general structural assembly. The UNC thread form is compatible with standard tapped holes and hex nuts in inch measurement systems. The 16-inch length under head accommodates thick material stacks and through-bolt configurations common in mechanical room installations.
Designed as a standard inch-system hex head cap screw compatible with 1/2-13 UNC tapped holes and matching hex nuts or threaded inserts in structural, mechanical, and equipment-mounting applications.
Installation is performed by qualified tradespeople using appropriate hex wrenches or socket tools sized for a 1/2-inch hex head fastener. Follow applicable mechanical codes and equipment manufacturer torque specifications for the joint being assembled. Inspect mating threads for damage or contamination before installation. Avoid mixing stainless steel fasteners with dissimilar metals in environments where galvanic corrosion could occur.
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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