Value Collection P20124 Hair Pin Cotter Zinc-plated Spring Steel

Product Description

The VALUE COLLECTION P20124 is a hair pin cotter designed to secure pins, shafts, and fasteners in mechanical assemblies. It fits shaft diameters from 5/8 inch to 3/4 inch and measures 2-11/16 inches in overall length. The wire diameter is 0.148 inches, providing the spring tension needed to stay seated under vibration and repeated use. Constructed from Grade 2 spring steel with a zinc-plated finish, this cotter resists corrosion and maintains its holding force in demanding shop and field conditions. Maintenance technicians and mechanical tradespeople install this type of fastener by hand, requiring no special tools for most applications.

Hair pin cotters like the P20124 are used across a wide range of mechanical systems where a quick-release retaining fastener is needed. Common applications include linkage assemblies, pivot pins, clevis connections, and equipment controls found in HVAC, plumbing, and general mechanical equipment. The push-in, pull-out design allows for fast servicing without threading or special tools, making it a practical choice for production and field repair environments alike.

Key Features

• Fits shaft diameters from 5/8 inch to 3/4 inch
• 2-11/16 inch overall length for adequate retention depth
• 0.148 inch wire diameter for consistent spring force
• Grade 2 spring steel construction maintains holding force under vibration
• Zinc-plated finish provides corrosion resistance in typical service environments
• Tool-free installation and removal for fast serviceability

Compatibility

Designed as a standard hair pin cotter for mechanical assemblies requiring a 5/8 inch to 3/4 inch shaft diameter retaining fastener.

Installation Notes

Installation and removal are performed by hand or with basic needle-nose pliers. Ensure the shaft hole is clean and free of burrs before inserting the cotter to avoid distorting the wire legs. Always confirm the cotter is fully seated before returning the assembly to service. Follow applicable equipment manufacturer guidelines and relevant mechanical codes when replacing fasteners in safety-critical linkages.