40 Piece Square Coupler Pins Set One Quarter Inch Locking Shafts For Trailer Hitch And Equipment Zinc Coated Carbon Steel For Farm Lawn Garden And PTO Easy Install And Rock Solid Secure Connection

40-Piece Square Coupler Pins for 1/4 Inch Shafts
✔️ Carbon steel, zinc-coated; 75mm length, 6.3mm dia; 40 pcs

These square coupler pins lock trailer hitches, equipment, and other fixed gear in place. They are commonly used on trailers, farm implements, lawn and garden machinery, and utility trucks to ensure a rock-solid connection in rugged outdoor conditions.

✅ Material: carbon steel with zinc coating for rust resistance
✅ Size: 75mm length (2.95"), 6.3mm diameter (1/4")
✅ Package: 40 pieces per set, great value for multiple connections
✅ Easy install: 360° rotating pin simplifies alignment and insertion

💡 What is a square coupler pin used for in trailer and equipment connections?

Handy for securing hitch components and preventing detachment during movement.

• Secure trailer couplers, jacks, and farming gear
• Rust-resistant zinc coating for outdoor use
• Choose correct length and diameter to match groove and hitch