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The VALUE COLLECTION SLFI50870-010B is a 7/8-14 UNF hex lock nut with a distorted thread locking style, manufactured from Grade B steel with a zinc-plated and waxed finish. The distorted thread design creates mechanical interference upon installation, resisting loosening caused by vibration and dynamic loads without the need for secondary locking hardware. At 0.887 inches in height with a 1.312-inch width across flats, this nut follows standard inch-series dimensional conventions. Right-hand thread direction is standard. The zinc and wax coating provides baseline corrosion resistance and reduces galling during installation. Licensed tradespeople and assembly technicians working in mechanical, structural, and equipment applications will find this a direct-fit fastener solution.
This hex lock nut is suited for use in industrial machinery assembly, equipment fabrication, and mechanical maintenance applications where vibration resistance is required without the added cost of chemical thread-locking compounds. The 7/8-14 UNF thread size is common in precision mechanical assemblies and hydraulic component interfaces that specify fine-thread engagement for increased clamp load. Sold individually per package with a minimum order quantity of 10 units.
Designed as an OEM-style replacement or maintenance replacement hex lock nut for any 7/8-14 UNF threaded fastener application requiring a distorted thread locking style in inch-series measurement systems.
Installation is performed by mechanical technicians or maintenance tradespeople using a standard open-end or box wrench sized to the 1.312-inch across-flats dimension. De-energize and de-pressurize any associated equipment before fastener service. Distorted thread lock nuts are designed for single-use in critical applications and should be replaced rather than reused once removed, as the locking interference diminishes with each installation cycle. Consult applicable equipment torque specifications before final tightening.
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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