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The VALUE COLLECTION HCI50500450G-025BX is a partially threaded hex head cap screw engineered for general structural and mechanical fastening applications. It measures 1/2-13 thread size with a 4.5-inch length under the head and follows the Unified National Coarse (UNC) thread standard. Manufactured from Grade 5 steel with a hot-dipped galvanized finish, this fastener delivers solid corrosion resistance alongside the shear and tensile strength required in demanding trade installations. Electricians, plumbers, HVAC technicians, and general contractors reach for this screw when fastening equipment frames, structural supports, and mechanical assemblies in environments exposed to moisture or outdoor conditions.
This hex head cap screw is suited for both residential and light commercial construction and mechanical service work. The partial threading allows for a smooth shank section near the head, which is useful when clamping two components together without thread engagement in the upper material. Typical applications include equipment mounting, pipe hanger assembly, structural bracketing, and general mechanical fastening where corrosion resistance and dimensional consistency matter. The hot-dipped galvanized coating makes it an appropriate choice for outdoor, wet, or corrosive environments.
Designed as a standard 1/2-13 UNC hex head cap screw for use with any matching 1/2-13 nut, threaded insert, or tapped hole following Unified National Coarse thread standards in inch-measurement fastener applications.
Installation is performed using a standard hex wrench or socket set sized for a 1/2-inch fastener. Always verify the mating thread standard and material compatibility before installation, particularly in structural or load-bearing assemblies. Follow applicable mechanical or building codes for torque and fastener grade requirements in your jurisdiction. Do not mix this fastener with metric hardware or fine-thread nuts, as thread damage or joint failure may result.
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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