CFC Bolts & Nuts
Carbon-carbon composites are high-performance composites consisting of carbon fibers and their fabric-reinforced carbon matrix. We supply a wide range of carbon-carbon composites products which includes CFC fasteners. C / C composite fasteners are crafted from carbon-carbon composites and are...
Description
High-Performance Carbon Carbon Composite Fasteners
SHJ-CARBON's CFC bolts and nuts, crafted from advanced carbon carbon composite (C/C) materials, offer reliable fastening performance where traditional metal components cannot. Engineered for high-temperature, corrosive, and high-stress environments, our CFC fasteners are extensively used in applications such as vacuum heat treatment, semiconductor processing, photovoltaic manufacturing, and sintering systems.
Unlike conventional fasteners that deform, seize, or degrade at high temperatures, CFC fasteners maintain mechanical integrity, dimensional stability, and chemical resistance - even after repeated thermal cycling. Their unique combination of properties makes them indispensable in modern thermal fields where both performance and longevity matter.
Our Range of CFC Fastening Components
High-Temperature Fastening Solutions for Demanding Thermal Systems
CFC Bolts
CFC Bolts & Nuts
Round CFC Bolts
CFC Springs
Washers & Spacers
Threaded Rods & Studs
Tapered Pins & Locating Pins
Non-standard Fasteners
recommend Specification
FEATHERMO C/C Composites Strength & Thermal Stability
| Grade | Bulk Density | Flexural Strength |
Youngs Modulus |
Interlaminar C Shear Strength |
ompressive Strength |
Electrical Resistivity |
Temperature Rating |
| FE-80 Short fiber) |
1.65g/cm³ | 200MPa | 45GPa | 18MPa | 120MPa | 20μS2m | 2000℃ |
| FE-12 [Long fiber] |
1.2g/cm³ | 120MPa | 40GPa | 10MPa | 100MPa | 15~40μS2m | 2000℃ |
| FE-14 [Long fiber] |
1.4g/cm³ | 120MPa | 40GPa | 10MPa | 100MPa | 15~40μΩm | 2000℃ |
| FE-25 [Long fiber] |
1.5g/cm³ | 150MPa | 30GPa | 12MPa | 140MPa | 15~30μs2m | 2000℃ |
*The parameters in this table are for standard products. If high purity products are required, purification treatment can be provided, with a purified ash content of ≤20PPM maximum.
*The above values are typical, not guaranteed.
*Special needs and high-end series products can be customized through negotiation and communication with our company.
Key Features of Carbon Carbon Composite Fasteners
25 Years of Dedicated Experience in Graphite & Carbon Solutions
Built from high-purity carbon-carbon matrix materials, our CFC bolts and nuts exhibit a distinct performance profile tailored for use in extreme environments. These properties make carbon carbon composite fasteners ideal for precision fastening in environments where performance cannot be compromised by temperature, weight, or corrosion.Their technical advantages include:
Outstanding Thermal Stability
Operate reliably in sustained temperatures over 2000°C without distortion or strength loss.
01
Superior Mechanical Strength & Rigidity
Retain high tensile strength and modulus, ensuring consistent clamping force and structural reliability under stress.
02
Low Coefficient of Thermal Expansion
Dimensional changes are minimal, eliminating the risks of loosening or warping under extreme heat.
03
Excellent Resistance to Corrosion and Chemical Attack
Withstand acids, alkalis, and reactive atmospheres - ideal for vacuum, inert, or harsh chemical process conditions.
04
Thermal & Electrical Conductivity
Functional in electrothermal systems where conductivity is a performance factor.
05
Customized Fastener Solutions from SHJ-CARBON
At SHJ-CARBON, we do more than produce fasteners - we partner with you to solve technical fastening challenges in high-temperature systems.
Backed by over 25 years of expertise in carbon material engineering, we support:
- Application-Based Design Optimization
Our engineers help translate your mechanical requirements and thermal profiles into practical fastener designs with optimized strength, fit, and longevity.
- Material Selection Consulting
We assist in choosing the most suitable carbon-carbon composite grade, balancing thermal conductivity, stiffness, wear resistance, and cost.
- Precision Machining & Quality Assurance
Utilizing CNC machining and custom tooling, we deliver high-accuracy parts with full dimensional and visual inspection before shipment.
- Rapid Prototyping & Small Batch Runs
For new projects or R&D phases, we offer flexible volumes without compromising lead times or quality. Whether you need standard CFC bolts or fully engineered solutions, our team is committed to providing fastener systems that enhance the reliability and performance of your thermal process equipment.
Applications Across Critical Industries
Our CFC bolts, nuts, and threaded components are widely adopted in sectors where high performance under extreme conditions is non-negotiable:
- Vacuum and Atmosphere Heat Treatment Furnaces
- Semiconductor Diffusion and Etching Equipment
- Photovoltaic Ingot and Wafer Production Systems
- High-Temperature Sintering and Brazing Furnaces
- Corrosive Gas Processing Lines and Exhaust Systems
In these applications, carbon carbon composite fasteners offer lasting dimensional stability, thermal compatibility with surrounding materials, and reliable fastening force - even after hundreds of thermal cycles.
Manufacturing Capabilities & Quality Assurance
We manufacture all CFC profiles in our ISO-certified facility, using advanced forming, machining, and curing processes. Every part undergoes stringent quality inspection, and we support:
- Engineering review and co-design
- Rapid prototyping and precision machining
- Global logistics and documentation
- Full traceability and material certification upon request
Get in touch with our technical team to learn more about how our fastener carbon carbon composite profiles can elevate the safety, precision, and durability of your high-temperature systems.
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