Graphite Bolt Manufacturer
At EastCarbon, we produce graphite bolts for industries that require fastening solutions under harsh and intense conditions. Our graphite bolts offer many desirable properties like chemical resistance, thermal conductivity, and a high strength-to-weight ratio.
Universally sized bolts in ultra-pure graphite or carbon-carbon composite materials.
Coatings like silicon carbide can enhance anti-seize performance and corrosion resistance.
Resin or thermoplastic pitch is pushed into fissures via high-pressure carbonization.
Made to your specific dimensions, shapes, size, and desired performance metrics.
Impervious-Grade Graphite
The non-porous structure of our graphite bolts makes them ideal for use in vacuums, or environments with controlled gas exposure. To further reduce porosity we can use pitch impregnation which also improves robustness and mechanical strength.
Graphite and Carbon-Carbon Composite Bolt Materials
In the EastCarbon manufacturing plant, we use extruded and isostatically pressed graphite which allows us to ensure uniform properties throughout every bolt. Unlike traditional metal fasteners which would degrade over time, our durable graphite bolts are engineered to last.
Withstand thermal expansion and contraction to secure lining panels and insulation materials to furnace walls.
Minimal outgassing nature is critical for attaching heating elements and internal components to the internal structure.
Used to fasten baffle plates, agitators, and reactor internals while resisting degradation from corrosive gases, acids, and solvents.
Used in power plants to secure tube sheets and prevent failure during extreme temperature differentials.
Fasten refractory materials in ceramic production kilns, preventing displacement of tiles and insulating panels.
Remain stable while securing electrodes and exposed to intense electrical currents in the production of carbon products.
Prevent thermal deformation and die misalignment by fastening dies in metal casting.
Fasten joints and flanges while evading erosion or degradation due to chemical inertness.
Graphite Bolt Manufacturing Steps
We manufacture your graphite bolts using the latest machinery and equipment including digital lathes, millers, drillers, CNC machines, engraving tools, and more.
- Design validation via software models
- Graphite powder is shaped into cylindrical forms
- Sintering binds particles together
- Threading is carried out by CNC machine
- Optional coating or impregnation
- Stress tests and assessments
Chemical Indicators And Physical Properties
Shore Hardness: From 35 up to around 75 HSD.
Gas Porosity: Ranging from 8% to 20%.
Strength: Flexural up to 65 Mpa and compressive to 140 Mpa.
Thermal Conductivity: From 90 W/mK to 140 W/mK
Density: From 1.6 g/cm3 to 1.98 g/cm3
Electrical Resistance: From 8 to 15 μΩm
The EastCarbon Process
- Send AutoCAD files or specifications
- Confirm final dimensions
- Schedule manufacturing
- Manufacturing process is completed
- Graphite bolts are quality-checked
- Product is shipped to your warehouse or factory
Graphite Bolt Sizes And Dimensions
Thanks to our decades of experience and team of highly skilled engineers, we can customize your graphite bolts to custom specifications. Send us an AutoCAD drawing or physical sample, or provide us with dimensions.
Graphite Bolt Threading Options
Depending on the vibration conditions and the load, different thread types and patterns may be more suited for your intended application. We can manufacture graphite bolts with both fine and coarse threads, according to your needs.
Why Order From EastCarbon?
At EastCarbon, we have a full team of experienced engineers involved in the design and manufacture of your graphite bolts. All the bolts we produce are up to ISO9001 standards and can be customized to meet your specific requirements.
“What a great OEM to work with… we ordered large high-density graphite bolts last month to custom specifications which arrived on time and to order. The bolts are exactly as requested and our custom request didn’t hold up the process at all, it was a pleasure to deal with EastCarbon and I will gladly order again.”
We use high-purity raw graphite to create made-to-order bolts with varying final properties according to your requirements.
We run large-scale production operations from a well-equipped facility so can meet high-volume demands.
Years in the business have earned us a reputation for being a trusted graphite screw manufacturer.
Our advanced software and skilled engineers and technicians can take your drawings or create new models to specifications.
Frequently Asked Questions
Overtightening graphite bolts can lead to fracturing and should be avoided. The recommended torque depends on your unique bolt specifications and application. If you wish to discuss your specific needs, please contact us via phone, email, or use the contact form on this page.
Yes, an excellent property of graphite and c/c composite bolts is their durability. They have a long lifespan, though we recommend period inspection to ensure optimum performance and compliance with safety regulations.
Sure, please feel free to provide us with a physical bolt and our engineers will model a drawing based on its specifications for your approval. All dimensions will require final confirmation before we move to production.
No, graphite bolts are self-lubricating due to the graphite’s natural properties. If you apply additional lubrication, you may risk over-torquing the bolts. This depends on your unique application.
Yes, we can machine graphite bolts to immensely tight tolerances thanks to our high-precision CNC machinery. We understand this is particularly important for the nuclear and semiconductor industries which we have been proudly supplying and supporting optimal performance for decades.
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