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The VALUE COLLECTION MP39081 is a fully threaded hex head cap screw designed for high-strength fastening applications. Manufactured from Grade 8 steel with a zinc yellow dichromate finish, this fastener delivers reliable corrosion resistance and superior tensile strength compared to lower-grade alternatives. The 7/16-14 UNC thread profile and 1.5-inch length under head make it a standard choice for structural assemblies, equipment mounting, and mechanical connections where torque load and shear resistance matter. Sold in a package of 25, it meets ASME B18.2.1 dimensional standards. Machinists, millwrights, maintenance technicians, and general contractors commonly specify Grade 8 fasteners for critical joint assemblies.
This screw is suited for heavy-duty industrial and commercial applications including machinery frames, brackets, structural steel connections, and equipment bases. The fully threaded design provides maximum thread engagement throughout the grip length, making it appropriate for thinner material stacks or applications requiring thread engagement close to the head. The zinc yellow dichromate finish provides a recognizable visual indicator of Grade 8 hardness while offering a baseline level of corrosion protection in moderate environments.
Designed for use in standard 7/16-14 UNC tapped holes and nuts conforming to inch-series Unified National Coarse thread specifications. Suitable as a direct replacement in any application calling for a fully threaded Grade 8 hex head cap screw at 7/16-14 x 1.5 inches under head per ASME B18.2.1.
Installation is typically performed by maintenance technicians, millwrights, or mechanical contractors using standard hex or socket wrenches. Always confirm hole thread pitch and depth before installation to ensure full engagement. Follow applicable torque specifications from the equipment manufacturer or relevant structural standards for Grade 8 fasteners of this diameter. Inspect mating threads and hardware for damage or contamination before 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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