Value Collection SNFI2037-100BX Hex Slotted Lock Nut 3/8-24

Product Description

The VALUE COLLECTION SNFI2037-100BX is a hex slotted lock nut designed for threaded fastener applications requiring a secure, vibration-resistant connection. Manufactured from Grade 2 steel with a bright uncoated finish, this nut features a 3/8-24 UNF right-hand thread pattern. The slotted design accommodates a cotter pin or safety wire, providing positive locking in applications where backing out under load is a concern. At 21/64 inches in height with a 9/16-inch width across flats, it fits standard hex wrench and socket tooling. Installers in mechanical, HVAC, plumbing, and general trade applications will find this a reliable off-the-shelf hardware component for light-duty assemblies.

This lock nut is suited for residential and light commercial mechanical assemblies where a fine-thread, inch-series fastener is specified. The 3/8-24 UNF thread pitch is commonly found in precision mechanical linkages, brackets, and equipment panels across HVAC, electrical, and plumbing installations. It is sold individually but requires a minimum order of 5 units, making it practical for service truck stock or small hardware replenishment.

Key Features

• Slotted hex lock nut design accepts cotter pin or safety wire for positive thread locking
• 3/8-24 UNF right-hand thread for compatibility with fine-thread inch-series fastener systems
• Grade 2 steel construction suited for light-duty mechanical applications
• Bright uncoated finish — no coating to interfere with thread engagement or torque values
• 21/64 inches height and 9/16 inches width across flats fits standard hex tooling
• Inch measurement system, does not meet military specifications

Compatibility

Designed as a standard UNF inch-series hex slotted lock nut for use with any 3/8-24 right-hand threaded bolt or stud in light-duty mechanical assemblies.

Installation Notes

Installation is performed by hand-threading onto a 3/8-24 UNF bolt or stud, then seating with a 9/16-inch hex wrench or socket. A cotter pin or safety wire should be inserted through the slots and bolt hole after final torque to complete the locking function. Ensure the mating threads are clean and free of debris before assembly. Always de-energize or depressurize the system being serviced before replacing fasteners on mechanical assemblies.