10Pcs RC Airplane Plastic Pin Hinges for RC Planes And Helicopters DIY Model Wing Parts 2.5x43mm And 4.5x67mm Two Sizes Easy To Install Barb Style Pins With 60 Degree And 90 Degree Folding

10-Piece RC Hinge Set: 5 small, 5 large Hinges
✔️ Two sizes: 2.5×43mm (1.69") and 4.5×67mm (2.64"), 10 pcs total

These plastic pin hinges are designed for RC airplanes, helicopters, and DIY model aircraft. They provide a simple, lightweight connection for control surfaces like ailerons, elevators, and rudders on foam or balsa builds.

✅ Quantity: 10 pieces (5 small, 5 large)
✅ Small size: 2.5 mm diameter, 43 mm length (1.69")
✅ Large size: 4.5 mm diameter, 67 mm length (2.64")
✅ Material: durable plastic for light-duty RC projects
✅ Folding angle: approx 60°/90° for control surface travel
✅ Barb-like tip helps anchor into balsa foam surfaces
✅ Application: connects control surfaces and other wing/fuselage joints

💡 What is the best way to use RC hinge pins in model aircraft projects?

Correct pin usage ensures secure hinges and stable control surfaces. - RC hinge pins fit into pre-drilled holes in foam or balsa for secure mounting
- Keep surfaces aligned to ensure smooth movement and reliable trim
- Choose the right size: 2.5×43mm or 4.5×67mm for each connection