20 Piece Zinc Plated Cotter Pins Set M3.5 X 75mm For Trailer Hitch Clips R Clips Hairpin Pins Spring Fasteners And Locking Pins Ideal For DIY Projects Trailer Maintenance Farm Equipment And General Fastening Needs By PHITUODA

20-Piece Zinc Plated Cotter Pins Set 75mm M3.5 Hairpin Clips
✔️ 20 pcs, zinc-plated steel, 75 mm long, 23 mm wide, M3.5

These cotter pins are designed for securing trailer hitch clips, R clips, hairpins, and other locking fasteners in trailers, lawn equipment, vehicles, and DIY projects. Built to withstand outdoor use, they offer strong, reliable performance in harsh environments.

✅ Quantity: 20 pcs in set
✅ Material: zinc-plated steel for durability
✅ Size: 75 mm long, 23 mm wide, M3.5 hole size
✅ Locking design helps secure pins under load
✅ Applications: trailers, lawn equipment, vehicles, DIY

💡 What is a cotter pin used for in automotive and trailer hardware?

Cotter pins provide a handy, lock-in-place fastener for everyday mechanical work.

- Locks hitch pins and other fasteners in trailers and equipment - Enables quick, tool-free installation and removal for maintenance - Zinc plating resists outdoor corrosion and keeps parts protected - Fits standard hole sizes like 75 mm length and 23 mm width