Description
Product Overview
Introducing the Abester 3K Carbon Fiber Tube, a premium structural component designed for demanding applications in unmanned aerial vehicles, robotics, and marine rigging. Manufactured by Abester Composite Materials Co., Ltd, this tube features a 9mm outer diameter, 7mm inner diameter, and a 500mm length, all wrapped in a matte roll‑wrapped epoxy coating. The tube meets AS9100D certification and complies with ASTM D3039, delivering a tensile strength of 3,500 MPa and a density of 1.55 g/cm³. Precision laser validation ensures dimensions are within ±0.05 mm tolerance, adhering to ISO 2768‑F standards, making it an ideal fit for 7mm servo shafts and quadcopter bearing assemblies.
![[Product front view showing all components]](https://www.limitedbuy.store/wp-content/uploads/2026/06/9febb533b0844bcb966399522a23ff65.jpg)
Usage
This carbon fiber tube excels in environments where weight reduction and structural integrity are critical. Use it to construct lightweight drone arms that extend flight time by 10‑15%, build robotic joint housings that withstand repetitive stress, or fabricate marine rigging components that resist corrosion and UV degradation. Its chemical‑resistant epoxy coating meets ISO 4892‑2 UV exposure standards, allowing deployment in outdoor robotics, FAA Part 107‑compliant RC aircraft, hexacopter armatures, and ISO 9409‑1 industrial automation systems. Whether you are a hobbyist building a custom quadcopter or an engineer designing a high‑performance robotic arm, this tube offers the reliability and precision you need.
Why Choose Us
Abester’s commitment to quality is reflected in every millimeter of this carbon fiber tube. The material is sourced from aerospace‑grade 3K carbon fibers, ensuring consistent fiber alignment and maximum load distribution. Our manufacturing process includes laser‑validated dimension checks and a double‑coat epoxy finish that protects against UV rays, acids, and alkalis. Each tube is tested for tensile strength and density, providing you with a product that is 78% lighter than comparable 304 stainless steel while maintaining equivalent load capacity. With a proven track record in industrial and scientific markets—ranked #54 in Carbon Fiber Tubes on Amazon—customers trust our tubes for mission‑critical applications.
Key Features
- Ultra‑lightweight design reduces overall system weight, extending drone flight time by up to 20 seconds.
- High tensile strength of 3,500 MPa provides superior load‑bearing capability for robotics joints.
- Matt roll‑wrapped epoxy coating offers UV and chemical resistance for outdoor and marine use.
- Laser‑validated dimensions with ±0.05 mm tolerance ensure perfect fit for 7mm shafts and bearings.
- Dedicated technical support and fast replacement service for bulk orders.
FAQ
What is the maximum load this tube can support?
The tube is rated for a tensile load of up to 3,500 MPa, which translates to a practical load capacity of approximately 45 kg when used in standard drone arm configurations.
Is the epoxy coating safe for marine environments?
Yes, the epoxy coating complies with ISO 4892‑2 UV exposure standards and resists both acidic and alkaline conditions, making it suitable for marine rigging and offshore robotics.
Can I purchase this tube in lengths other than 500 mm?
Custom lengths are available for volume orders over 50 units. Please contact our sales team for pricing and lead‑time details.
Does the tube require any additional finishing before use?
No additional finishing is required. The matte roll‑wrapped surface is ready for installation, and the tube can be directly integrated into your assembly.
What certifications does this product have?
The tube is AS9100D‑certified and meets ASTM D3039 tensile testing standards, ensuring aerospace‑grade quality and reliability.






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