This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

Products > Fasteners

Cotter Pins

Cotter pins, or split pins, are used to lock fasteners in a secure position. MW produces stock and custom cotter pins for commercial use, railcar, military, aerospace, defense, and more. We offer commercial-grade cotter pins configured to ASME B18.8.1 specifications, wedge-fast cotter pins, military cotter pins including MS24665 and MS9245, and NAS parts. We also produce multiple styles and configurations in imperial and metric sizes including, extended prongs, hammerlocks, chisel points, tapered points, humped, tee heads, and self-locking cotter pins.

Request a quote for a custom part, or contact us for details on our stock and standard cotter pins.

Shop Cotter PinsRequest a Quote

In-Stock Cotter Pins Packs

We've made our most popular cotter pin products available for immediate purchase online. Browse our inventory of extended prong, chisel point cotter pins packs below. These cotter pins are in-stock and available for immediate shipping. Additional sizes, materials and designs can be manufactured to fit your needs. Shop Now or Filter Results

Custom Cotter Pins

Our precision machining produces custom cotter pins, hitch pins, other pins, wire fasteners, and custom wire forms made to your blueprints. We work with various materials, finishes, coatings, styles, and sizes to produce the precise component your project requires.

Custom capabilities for our custom pins include prototyping and various coatings or surface treatments including, plating, passivation, cleaning, polishing, and heat treatments. For your convenience, we also offer custom packaging and JIT (Just In Time) delivery as requested. We are ISO 9001 certified and offer both military and commercial-grade parts. Certifications verifying traceability and compliance are available as needed.

Request a Quote

Custom cotter pin

Cotter Pin Manufacturing

Cotter pins, hitch pins, wire fasteners, and other pins and wire-formed products are produced at our Western Wire facility in Fenton, MO. Western Wire specializes in custom products, tight tolerances, and fast turnaround. We produce a wide range of wire forms and pins to precise customer specifications.

Our production capabilities are extensive and include sizing capabilities from 0.01" to 0.625", a vast raw material inventory, various coating and surface treatment options, Just In Time Delivery, ISO9001 certification, and more. Whether you need a single prototype, to millions of parts, we offer precision and quality for each and every part we produce.

Related Manufacturing Services

In addition to standard manufacturing services, we offer various optional services to assist you in developing the best product for your application or end-use.

Finishing Services

MW specializes in custom component manufacturing and offers a variety of optional finishing services to complete your custom component. Our finishes and surface treatments for custom pins include plating, passivation, cleaning and polishing, and heat treatments. Below is a list of the finishing services and treatments most often requested for custom pins.

Quality Materials

Our cotter pins are produced from a variety of standard and specialty materials. Some common materials we work with are listed below; however, our manufacturing capabilities are vast and we can work with practically any hard-drawn material. For information on custom materials and manufacturing processes, contact us for a custom quote.

Have Questions?

Talk with our experts today and let us help you figure out the best solution.