Brass Ferrules — Metric Tube & Rod Joiners
Precision brass ferrules for joining same-diameter frame components end-to-end — the standard solution for extending or repairing kite spars, carbon tubes, fiberglass tubes, and solid rods. Available in eight metric sizes with ferrule length matched to diameter for optimal overlap and strength.
Available sizes (diameter × length):
- 2mm × 2cm
- 3mm × 3cm
- 4mm × 4cm
- 5mm × 5cm
- 6mm × 6cm
- 8mm × 8cm
- 10mm × 10cm
- 12mm × 12cm
Why brass ferrules?
- Solid brass construction — durable, corrosion-resistant, and slightly flexible for easy insertion
- Internal fit design creates a clean, aligned join with no external bulk
- Compatible with pultruded carbon tubes, pultruded fiberglass tubes, solid carbon rods, and solid fiberglass rods
- Diameter-matched length ensures proper overlap and load distribution at the join
- Essential repair and build component for any kite frame toolkit
- Sold individually — stock up on the sizes you use most
Common uses: Kite spar joins and extensions, carbon tube repairs, fiberglass tube connectors, RC airframe joins, and structural maker builds requiring tube-to-tube connections.
Sourced and distributed by Jones Airfoils.