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The HOLO-KROME 72202 is a hex socket cap screw designed for high-strength fastening applications in industrial, mechanical, and trade settings. It features a 7/16-14 UNC thread with a 2-inch length under head and is partially threaded for secure clamping in through-hole and blind-hole assemblies. The 3/8-inch hex drive socket accepts a standard hex key or Allen driver. Manufactured from alloy steel with a black oxide finish, this cap screw delivers enhanced corrosion resistance and reduced surface reflectivity. It meets ASME B18.3 and ASTM A574 dimensional and mechanical standards, making it appropriate for structural and machine assembly use.
This cap screw is suited for general mechanical assembly, fixture building, machine frames, and equipment maintenance across manufacturing, HVAC equipment assembly, and industrial service environments. The 7/16-14 UNC coarse thread is widely used in ferrous metal applications where quick engagement and resistance to cross-threading are priorities. The black oxide alloy steel construction performs well in dry indoor and low-moisture environments. Installers should verify the mating thread condition and hole depth before driving to torque.
Designed as an OEM-style replacement or standard-service fastener for any assembly specifying a 7/16-14 UNC hex socket cap screw per ASME B18.3 and ASTM A574.
Installation should be performed by a qualified mechanic or trade professional using a calibrated hex key or torque wrench sized for the 3/8-inch drive socket. Always de-energize, depressurize, or otherwise make safe any equipment before removing or replacing structural fasteners. Do not use impact drivers on socket cap screws without verifying torque limits from the equipment manufacturer. Inspect threads for damage or contamination prior to installation and apply thread lubricant only where specified by the assembly documentation.
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