Wind Catcher CFSR44251 Carbon Fiber Square Outer Round Inner Tube 4x4x2.5mm x 1000mm
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$ 5.44
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The Wind Catcher CFSR44251 Carbon Fiber Square Outer Round Inner Tube 4x4x2.5mm x 1000mm is a pultruded carbon fiber tube featuring a square 4mm x 4mm outer profile with a 2.5mm round inner bore. This hybrid geometry enables flat-surface bonding and clean mounting while retaining a round inner channel for rod, pin, or wire clearance — a versatile structural element for advanced RC aircraft, drone, and robotics builds.
Key Features
- Pultruded carbon fiber with square outer and round inner profile
- 4mm x 4mm square OD x 2.5mm 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 | CFSR44251 |
| Type | Carbon Fiber Square Outer Round Inner Tube |
| Outer Profile | 4mm x 4mm square |
| Inner Bore | 2.5mm round |
| Length | 1000mm (1 meter) |
| Construction | Pultruded |
| Weight | ~0.7 oz |
| Country of Origin | China |