Value Collection B52001656 Hex Lock Nut 3/4-16

Product Description

The VALUE COLLECTION B52001656 is a 3/4-16 UNF hex lock nut with a nylon insert locking style, manufactured from Grade 2 steel with a zinc finish. The nylon insert creates friction against the mating thread to resist loosening caused by vibration or dynamic loads, making this fastener a standard choice in mechanical assemblies across HVAC equipment, plumbing systems, and general industrial fabrication. At 13/32 inches high with a 1-1/16 inch width across flats, it fits standard 3/4-inch wrenches and sockets. Right-hand thread direction follows conventional installation practice. This nut is installed by maintenance technicians, mechanical contractors, and assembly workers wherever a reusable, vibration-resistant fastener is required.

This hex lock nut is suited for use in equipment mounting, bracket assemblies, pump and motor connections, and structural fastening applications where a standard hex nut would be prone to backing off under vibration or thermal cycling. The 3/4-16 fine thread pitch provides greater thread engagement per inch compared to coarse thread equivalents, making it appropriate for higher-strength joint requirements. It is used in both residential and light commercial mechanical systems wherever UNF-threaded fasteners are specified.

Key Features

• Nylon insert locking mechanism resists loosening under vibration without damaging mating threads
• 3/4-16 UNF fine thread for higher thread engagement and joint strength
• Grade 2 steel construction provides adequate strength for general mechanical applications
• Zinc finish offers corrosion resistance in standard indoor or sheltered environments
• Right-hand thread direction compatible with standard tooling and fastener systems
• 1-1/16 inch width across flats fits common wrench and socket sizes

Compatibility

Designed for use with 3/4-16 UNF right-hand threaded bolts and studs in Grade 2 or equivalent steel fastener assemblies across general mechanical, HVAC, and plumbing equipment applications.

Installation Notes

Installation requires a standard 1-1/16 inch open-end or box wrench. Ensure mating bolt threads are clean and free of debris before installation to avoid damaging the nylon insert. The nylon insert is single-use by design and should not be reused after removal, as the locking force is reduced after the first installation cycle. Torque to values specified in the applicable equipment service documentation for the joint being fastened.