Value Collection R52001195 Serrated Flange Nut 3/8-24

Product Description

The VALUE COLLECTION R52001195 is a serrated flange nut designed for threaded fastening applications requiring a built-in locking and load-distribution surface. The integrated serrated flange bears against the mating surface to resist loosening under vibration, eliminating the need for a separate lock washer. Manufactured from Grade 2 steel with a zinc-plated finish for basic corrosion resistance, this nut carries a 3/8-24 thread size and a 0.75 inch nominal flange diameter. Hardness is rated at 78-90 HR15N. Licensed tradespeople and assembly technicians working in mechanical, HVAC, plumbing, and light structural applications will find this a standard production fastener.

This serrated flange nut is suited for residential and light commercial assembly work where the 3/8-24 UNF thread is specified. Typical use cases include equipment mounting, panel fastening, bracket assembly, and general mechanical assembly on threaded rod or bolting where vibration resistance is required without adding a secondary locking element. The zinc plating provides mild environmental protection suitable for indoor or sheltered outdoor installations.

Key Features

• Serrated flange face eliminates need for a separate lock washer and distributes clamping load
• 3/8-24 UNF thread for fine-thread fastening applications
• Grade 2 steel construction with 78-90 HR15N hardness rating
• Zinc-plated finish for basic corrosion resistance
• 0.75 inch nominal flange diameter with 0.347 inch flange height
• Width across flats ranging from 0.551 to 0.562 inches for standard wrench fitment

Compatibility

Designed for use with standard 3/8-24 UNF threaded fastening applications in mechanical and light structural assemblies where an inch-measurement serrated flange nut is specified.

Installation Notes

Installation is performed by mechanical and maintenance technicians using a standard open-end, box, or socket wrench sized to the 0.551-0.562 inch width across flats. Ensure mating threads are clean and free of debris before driving the nut. Do not exceed the torque specification listed in the relevant equipment service documentation, as over-torquing Grade 2 fasteners can result in thread stripping. Power down or de-energize any equipment before performing fastening work on electrical enclosures or energized assemblies.