
GBTECH 1000 mm carbon fiber square rod is a solid, square-profile composite rod made from continuous carbon fibers in an epoxy resin matrix. The square cross-section provides flat surfaces for clamping, mounting and bonding, making it suitable for applications where a round rod would require additional fixturing. The rod is manufactured by pultrusion, with fibers running continuously along the length for high axial stiffness and strength.
The 1000 mm format supplies one uninterrupted metre for longer members or cut-to-size production. It is useful when the designer needs freedom to establish final component lengths after a prototype or nesting review. This page supports the square rod product line and the search terms carbon fiber square rod, pultruded carbon fiber square rod and CFRP square bar.
Specification | Value |
Product name | Carbon Fiber Square Rod |
Form | Solid, square cross-section |
Process | Pultrusion |
Fiber type | 100% carbon fiber (T300, T700, T800) |
Fiber orientation | Unidirectional (0° along length) |
Matrix | Epoxy resin |
Common side lengths | 4 × 4 mm, 5 × 5 mm, 6 × 6 mm, 8 × 8 mm, 10 × 10 mm (market standard; GBTECH available sizes to be confirmed internally) |
Standard length | 1000 mm |
Surface finish | Smooth, black |
Density (typical, pultruded CFRP) | 1.5–1.6 g/cm³ |
Tensile modulus (typical, unidirectional CFRP) | 130–165 GPa |
Tensile strength (typical, unidirectional CFRP) | 2800–3500 MPa |
Potential uses include robot connecting rods, UAV and model structural members, automation equipment supports, lightweight frames, and mechanical control linkages. These are design directions, not certified load-bearing applications.
Carbon fiber is electrically conductive. Use appropriate dust control and personal protection during cutting, drilling and handling. Protect nearby electronics from conductive dust.
The square profile can be cut, drilled and bonded using standard carbon fiber composite tooling. Confirm the actual dimensions and tolerances before designing mating parts.
What is the difference between a square rod and a round rod?
A square rod provides flat surfaces for clamping, mounting and bonding without requiring additional fixturing. A round rod is typically easier to insert into a round bore. The choice depends on the connection design.
What is the fiber orientation?
The rod is pultruded with unidirectional fiber orientation (0° along the length). This gives high axial stiffness and strength. Transverse properties are lower.
Can it be cut and drilled?
Yes. Use tooling and dust control suitable for carbon fiber composites. Finish cut edges as required.
Request a quotation with the required side dimensions, length, quantity, surface finish and delivery country. Confirm pricing, packaging, availability and lead time with GBTECH before ordering.
Official GBTECH Websites:
EMail: zane@gbtechgroup.cn
Phone: +1 (510)902-9987
www.gbtechgroup.cn | www.gbtechcomposites.com | www.gbtechmaterials.com
US.Office: 38758 Buckboard Common, Fremont, CA 94536, United States
China Head Quaters: Building 1, Left Side, Tangye Road, Xinxu, Huiyang, Huizhou, China