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The VALUE COLLECTION 581319PR is a partially threaded hex socket cap screw designed for precision fastening applications in mechanical assemblies, fabrication work, and equipment maintenance. The fastener features a 10-32 UNF thread size and a 5/32 inch hex drive socket for use with a standard hex key or Allen wrench. The 2-3/4 inch length under head and alloy steel construction make it suitable for moderate-load applications where a clean, recessed fastener head is required. A black oxide coating provides mild corrosion resistance and reduces surface glare. This screw is sold in a minimum order quantity of 100 pieces per order.
This screw is well-suited for use in light industrial equipment, HVAC component mounting, panel assemblies, and general mechanical hardware applications. The 10-32 UNF thread is a fine-pitch unified thread commonly found in instrumentation, small motor assemblies, and sheet metal enclosures. Partial threading allows the unthreaded shank to bear shear loads while the threaded portion engages the mating hole or nut. Trades including HVAC technicians, electricians, and mechanical contractors routinely use this fastener size in field and shop settings.
Designed as a standard replacement or stock fastener for any application requiring a 10-32 UNF hex socket cap screw with a 2-3/4 inch length under head and a 5/32 inch drive, conforming to ASME/ANSI B18.3 and ASTM A574 specifications.
Install using a calibrated hex key or T-handle Allen wrench of the correct 5/32 inch size to avoid rounding the drive socket. Ensure the mating threaded hole or nut is clean and free of debris before installation. De-energize and lock out any equipment before replacing fasteners on live assemblies. Follow applicable mechanical codes and equipment manufacturer torque guidance for the specific assembly.
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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