Wind Catcher CFSR3321 Carbon Fiber Square Outer Round Inner Tube 3x3x2mm x 1000mm
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$ 2.89
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The Wind Catcher CFSR3321 Carbon Fiber Square Outer Round Inner Tube 3x3x2mm x 1000mm is a pultruded carbon fiber tube with a square 3mm x 3mm outer profile and a 2mm round inner bore. This hybrid geometry provides flat bonding surfaces on all four outer faces while maintaining a round interior channel for rod, pin, or wire routing — a versatile structural solution for RC aircraft, drone, and robotics builds.
Key Features
- Pultruded carbon fiber with square outer and round inner profile
- 3mm x 3mm square OD x 2mm round ID x 1000mm length
- Flat outer faces for easy bonding and mounting
- Round inner bore for rod, pin, or wire clearance
- Exceptional strength-to-weight ratio
- Easily cut and shaped with standard hobby tools
Applications
- RC aircraft structural members requiring flat bonding surfaces
- Drone frame arms and precision structural elements
- Robotics linkage housings and guide channels
- Custom RC builds requiring hybrid square/round profiles
Specifications
| SKU | CFSR3321 |
| Type | Carbon Fiber Square Outer Round Inner Tube |
| Outer Profile | 3mm x 3mm square |
| Inner Bore | 2mm round |
| Length | 1000mm (1 meter) |
| Construction | Pultruded |
| Weight | ~0.5 oz |
| Country of Origin | China |