The Unseen Hero of Secure Connections
In any mechanical assembly, the smallest components often play the most critical roles. The Buyers Products FPC013000100 Cotter Pin is the perfect example—a simple, yet indispensable fastener designed to provide absolute security for your most important connections. Measuring 1/8 inch in diameter and 1 inch in length, this pin is engineered to prevent nuts from loosening and clevis pins from backing out, ensuring that your equipment operates safely and reliably. Whether you’re securing a trailer hitch for a cross-country haul or locking down a critical component on industrial machinery, this cotter pin delivers the peace of mind that comes from using a high-quality, dependable part built by a trusted name in the industry.
Engineered for Durability and Longevity
The true value of a fastener lies in its ability to withstand the harshest conditions without failure. The FPC013000100 is forged from high-strength steel to provide exceptional shear strength and resistance to deformation under load. To combat the relentless threat of rust and corrosion, each pin is coated with a thick layer of zinc plating. This sacrificial coating acts as a barrier against moisture, road salt, chemicals, and other environmental hazards, significantly extending the lifespan of the pin and the integrity of the entire assembly. This robust construction ensures that the pin maintains its holding power over time, making it an ideal choice for outdoor, automotive, and marine applications where lesser materials would quickly degrade.
Versatile Performance Across Countless Applications
The universal design and standard sizing of the 1/8″ x 1″ cotter pin make it one of the most versatile pieces of hardware in any toolbox. It is the go-to solution for securing castle nuts on wheel axles, locking clevis pins in trailer hitches and tow bars, and fastening components on agricultural equipment like tractors and implements. Its reliability also makes it essential for industrial maintenance, repair, and operations (MRO), where it can be used to secure shafts, gears, and other moving parts. From professional mechanics to DIY enthusiasts, this pin is a fundamental component for ensuring safety and operational integrity. As a leading manufacturer of truck and trailer equipment, Buyers Products ensures every component, no matter how small, meets rigorous quality standards. Find more essential hardware in our Uncategorized parts collection.
- Part Number: FPC013000100
- Product Type: Cotter Pin / Split Pin
- Material: High-Tensile Carbon Steel
- Finish: Corrosion-Resistant Zinc Plating
- Diameter: 1/8 inch (0.125″)
- Effective Length: 1 inch (1.0″)
- Head Style: Standard Extended Prong
- Design: Easy-to-bend prongs for quick and secure installation
- Primary Applications: Securing clevis pins, castle nuts, and slotted nuts
- Common Use Cases: Trailer hitches, automotive axles, agricultural machinery, industrial equipment, general hardware
- Corrosion Resistance: Excellent for outdoor and high-moisture environments
- Quantity: Sold individually




