High Performance Hitch Pin Clips And Hairpin Cotter Pins.177 X 3 3/4 Inch Low Carbon Steel Zinc Plated Trailer Tow Hardware Tough As Nails Zero Rust Hassle Pack Of Five Hundred Built Like A Tank For Daily Rigging Jobs On Any Road

Heavy Duty Hitch Pin Clips For Trailers And Towing Rigs
✔️.177 x 3 3/4 Inch Zinc Plated Steel Cotter Pins 500 Pack

These zipper cotter pins are straightforward locking hardware designed to secure hitch pins and clevis pins on trailers, tow bars, and agricultural implements. They slide through the hole of a hitch pin to lock it firmly in place so it does not bounce out during aggressive road travel or daily hauling jobs.

✅ Nominal diameter measures.177 inches for standard hitch openings
✅ Overall length sits at 3 3/4 inches for solid retention
✅ Low carbon steel body coated in zinc plating fights corrosion
✅ Sells as a fifty hundred pack for shop floor efficiency

💡 Why do mechanics prefer hairpin cotter pins over standard split pins for trailering gear?
Grab these clips when you need reliable retention without stripping bolt threads or relying on flimsy rubber plugs. This heavy duty setup makes field repairs way more handy for everyday truck owners.
- The open coil design lets dirt wash away during pressure washing instead of trapping grime and weakening the metal
- You can install them straight off the truck bed without needing special pullers or heavy wrenches for quick turnaround times
- Heat treatment keeps the tensile strength steady so they stretch out slowly instead of snapping mid trip
- Swapping them out takes seconds once you realize how much fewer panic checks you run during long hauls home

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