Built Tough Heavy Duty Wire Lock Pin 5/16 Inch Square Safety Coupler Shaft Lock Pin Set 10 Pieces Zinc Plated Carbon Steel Outdoor Locking Pins For Trailers Machinery And Towing Connectors

Heavy Duty 5/16 Inch Square Wire Lock Pin Set, 10-Pack
✔️ 10 pins, zinc plated carbon steel, 5/16 in square shaft (7.84 mm)

These heavy-duty safety coupler pins are spring-lock locking pins used to secure couplers, jacks, pintle hooks, trailer latches, gear, and other hardware on trailers, machinery, and towing setups. They’re built for long outdoor use.

✅ 10-piece set in silver color for multiple equipment needs
✅ 5/16 in square shaft, diameter 5/16 in (7.84 mm)
✅ Zinc plated carbon steel for outdoor corrosion resistance
✅ Spring locking design keeps pins secure during vibration
✅ Suitable for securing couplers, jacks, pintle hooks, trailer loads and PTO accessories

💡 What is a 5/16 inch square wire lock pin used for?

These pins are handy fasteners for securing movable parts in outdoor gear and equipment. - Handy for securing couplers, jacks, pintle hooks, and trailer attachments - Corrosion resistant zinc plated carbon steel for outdoor use - Fits 5/16 in square shafts with 7.84 mm diameter - Sold as a 10-piece set for multiple projects✝️