Shop the widest variety of cotter pin prices online

You can find cotter pins, like many other fasteners, anywhere from your local hardware store to specialty parts stores. You can also find them easily, and possibly at their cheapest, online. And, unless you need custom cotter pins made for a specific application, you can even buy them bulk or in assortment kits.

I recommend: Pivot Point and NutsandBolts.com offer a wide variety of cotter pins in standard sizes. If you need custom-made cotter pins, send a sketch or blueprint to Western Wire Products Co..

Find metric cotter pins sold in sets or through companies dedicated to metric sizes

Cotter pins are available in both standard and metric sizes. If you're looking for metric cotter pins, you can find online manufacturers, but make sure the company complies with International Standard Organization (ISO) requirements. This will ensure that you get what you ask for the first time.

I recommend: Fuller Metric Parts, Ltd., is ISO 9001:2000 certified and specializes in metric cotter pins and fasteners. Buy cotter pin fasteners in an assortment of 880 metric cotter pins at BikeBandit.com.

Be sure to get the right tools for cotter pin fasteners

The different types of cotter pins and sizes vary, but no doubt there are a couple of types of tools you'll likely need when working with cotter pins. Cotter pins are, after all, fasteners which means their job is to hold two things together. It also means that taking out an improperly installed cotter pin can be a pain without the right tools.

I recommend: Find inexpensive cotter pin accessories through both The Tool Warehouse and General Tools and Instruments. Buy tools for industrial applications and the railroad industry at Ajax Tools.