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The Value Collection 015321PR is a hex socket cap screw designed for high-strength fastening in mechanical assemblies, machinery, and structural connections. The fastener features a 7/16-14 UNC thread size and measures 1-3/4 inches under the head. It is fully threaded and driven with a 3/8-inch hex key. Constructed from alloy steel with a black oxide finish, it offers solid corrosion resistance in typical indoor and light industrial environments. Machinists, maintenance technicians, and fabricators install this screw where a recessed drive and a high clamping load are required in a compact fastener profile.
This screw is suited for use in general industrial machinery, fixtures, tooling plates, and equipment frames requiring a reliable socket-head fastener. The 7/16-14 UNC coarse thread engages quickly and resists stripping under high torque. The black oxide coating reduces surface corrosion and minimizes light reflection, making it common in machine shops, maintenance facilities, and fabrication environments. It meets ASME/ANSI B18.3, ASTM A574, and IFI 124 standards, which are recognized requirements for socket cap screws in industrial applications.
Designed as a standard 7/16-14 UNC socket cap screw for use in tapped holes conforming to UNC coarse-thread specifications in machinery, fixtures, and structural assemblies.
Installation is typically performed by machinists, millwrights, or maintenance technicians using a 3/8-inch hex key or T-handle driver. Confirm that the tapped hole depth and thread class are compatible with a 7/16-14 UNC fastener before installation. De-energize and lockout any equipment before fastener replacement in live machinery. Avoid over-driving, which can strip threads or damage the socket recess.
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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