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The VALUE COLLECTION 403102PR is a fully threaded hex head cap screw designed for general-purpose fastening applications across mechanical, structural, and light industrial assemblies. Sized at 3/8-16 x 1 inch (length under head), it features a Unified National Coarse (UNC) thread form and is manufactured from Grade 2 steel with a zinc-plated finish for basic corrosion resistance. The hex drive requires a 9/16-inch wrench or socket. This fastener is a standard inch-series item suited for use by mechanics, pipefitters, general contractors, and maintenance technicians wherever a readily available, cost-effective threaded fastener is needed.
This cap screw is appropriate for residential and light commercial applications including equipment mounting, structural bracketing, HVAC unit assembly, plumbing fixture support, and general fabrication work. The fully threaded shank provides engagement along the entire clamped length, making it well suited for thin-material joints and applications where maximum thread engagement is required. It ships in multiples consistent with bulk fastener procurement practices.
Designed as a general-purpose inch-series hex head cap screw compatible with any application specifying a 3/8-16 UNC fully threaded fastener with a 1-inch length under head.
Installation is performed with a 9/16-inch open-end wrench, combination wrench, or socket driver. Power down or de-energize any equipment before replacing fasteners in electrical or mechanical enclosures. Follow applicable codes and equipment manufacturer torque guidelines for the specific joint material and load requirement, as no torque value is defined for general-purpose Grade 2 fasteners without application context. Do not use this zinc-plated fastener in submerged, outdoor-exposed, or chemically aggressive environments where a higher corrosion-resistance finish is required.
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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