Alumina ceramic screws are precision-engineered fasteners made from high-purity aluminum oxide (Al2O3). They are designed to withstand extreme environments and offer superior performance compared to traditional metal screws.
Key Features of Alumina Ceramic Screws
- High Temperature Resistance
- Operates reliably in environments exceeding 1,000°C, making them suitable for high-heat applications.
- Corrosion Resistance
- Resistant to acids, alkalis, and salts, ensuring longevity in harsh chemical environments.
- Electrical Insulation
- Excellent dielectric properties, making them ideal for electrical and electronic applications.
- Lightweight
- Lower density compared to metals, reducing the overall weight of assemblies.
- High Hardness and Wear Resistance
- Exceptional durability, capable of withstanding mechanical wear in demanding applications.
- Non-Magnetic
- Ensures no interference in applications sensitive to magnetic fields.
- Biocompatibility
- Chemically inert and safe for use in medical or laboratory environments.
Applications of Alumina Ceramic Screws
- Semiconductor Industry
- Used in chip manufacturing equipment where high precision and non-conductivity are required.
- High-Temperature Environments
- Found in kilns, furnaces, and other thermal processing systems.
- Chemical Processing
- Ideal for reactors, pipelines, and systems exposed to corrosive substances.
- Medical Equipment
- Utilized in devices requiring biocompatibility, such as implants or laboratory equipment.
- Aerospace and Defense
- Suitable for lightweight, non-magnetic, and high-performance fastening solutions.
- Electronics and Electrical Systems
- Used in insulating components, circuit boards, and devices requiring electrical isolation.
- Renewable Energy
- Supports applications in solar panels, wind turbines, and energy storage systems due to their corrosion resistance and durability.
Benefits of Using Alumina Ceramic Screws
- Prolong equipment lifespan in extreme conditions.
- Improve system performance by reducing weight and wear.
- Reduce maintenance frequency and costs.
Dimensional Specifications
| Parameter |
Range |
| Thread Diameter (D) |
M2 to M12 (customizable) |
| Screw Length (L) |
5 mm to 100 mm (customizable) |
| Thread Pitch |
Standard or fine pitch, per ISO/metric specifications |
| Head Type |
Hex, flat, countersunk, or custom |
| Tolerance |
±0.02 mm (depending on design specs) |
Performance Characteristics
- Temperature Resistance
- Reliable performance in environments up to 1,500°C.
- Corrosion Resistance
- Ideal for harsh chemical or saltwater environments.
- Electrical Insulation
- Superior dielectric properties, ensuring no conductivity.
- Wear Resistance
- High hardness for applications requiring long-term durability.
Custom Options
- Thread Type
- Metric, UNC, UNF, or custom thread profiles.
- Head Design
- Hex, slotted, Philips, or custom geometries.
- Surface Finish
- Polished, matte, or special coatings for enhanced performance.
- Dimensional Customization
- Tailored lengths, diameters, and threading to meet unique application needs.
1. Premium Quality Materials
We use top-grade ceramic materials like Zirconia (ZrO2) and Silicon Nitride (Si3N4) to ensure our bearings offer superior durability, wear resistance, and performance.
2. Tailored Solutions
Our team works closely with you to provide customized bearing solutions that perfectly meet the needs of your industry, whether in packaging, renewable energy, or other specialized fields.
3. Industry Expertise
With years of experience serving diverse industries, we understand the unique challenges of high-performance applications and consistently deliver reliable solutions.
4. Precision Engineering
Our ceramic bearings are manufactured with state-of-the-art technology to achieve unmatched precision and efficiency, ensuring smooth operation and extended lifespan.
5. Competitive Pricing
We combine high quality with cost-effective pricing, offering excellent value to our clients without compromising on performance.
6. Fast Delivery & Global Reach
Our streamlined logistics and global network ensure timely delivery, no matter where you are.
7. Exceptional Support
Our dedicated team is available to assist you every step of the way—from initial inquiry to after-sales service—ensuring a hassle-free experience.
1. What are ceramic bearings?
Ceramic bearings are bearings made from advanced ceramic materials such as Zirconia (ZrO2) or Silicon Nitride (Si3N4). They are known for their high strength, wear resistance, and ability to perform in extreme conditions.
2. What are the advantages of ceramic bearings over steel bearings?
Ceramic bearings offer several advantages, including:
- Higher Durability: Resistant to wear, corrosion, and high temperatures.
- Lighter Weight: Up to 40% lighter than steel bearings.
- Non-Magnetic & Electrically Insulating: Ideal for sensitive applications.
- Low Friction: Reduces energy loss and heat generation.
3. In which industries are ceramic bearings commonly used?
Ceramic bearings are widely used in:
- Packaging equipment
- Renewable energy (e.g., wind turbines)
- Aerospace and automotive
- Medical devices
- Chemical processing
- High-precision tools
4. Can ceramic bearings handle high temperatures?
Yes, ceramic bearings are highly resistant to heat and can operate in temperatures exceeding 1,000°C, depending on the material used.
5. Are ceramic bearings suitable for corrosive environments?
Absolutely! Ceramic bearings are non-reactive to most chemicals, making them ideal for use in highly corrosive environments.
6. What is the lifespan of ceramic bearings?
Ceramic bearings typically last much longer than steel bearings due to their wear resistance and durability. However, the exact lifespan depends on the operating conditions and maintenance practices.
7. How do I maintain ceramic bearings?
Ceramic bearings require minimal maintenance, but to ensure longevity:
- Use the correct lubrication when necessary.
- Keep them clean and free from contaminants.
- Follow proper installation procedures.
8. Do you provide customized ceramic bearings?
Yes, we offer tailored ceramic bearing solutions to meet your specific application requirements. Contact us to discuss your needs.
9. What sizes and types of ceramic bearings do you offer?
We supply a wide range of sizes and configurations, including ball bearings, roller bearings, and hybrid bearings. Check our product catalog or contact us for more details.
10. How can I place an order or request a quote?
Simply visit our Contact Us page, fill out the inquiry form, or reach out to us directly via email or phone. Our team will respond promptly with the information you need.
