Home / Products / Aluminum Oxide (Al2O3) / Custom High Precision Alumina Ceramic Threaded Rod | Wear-Resistant Insulating Corundum Connector for High Temperature and Chemical Applications

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Custom High Precision Alumina Ceramic Threaded Rod | Wear-Resistant Insulating Corundum Connector for High Temperature and Chemical Applications

99% High-Purity Alumina – Exceptional wear resistance, high-temperature durability, and corrosion resistance, ideal for semiconductor manufacturing, electronic packaging, and precision machinery.

CNC Ultra-Precision Machining – Achieving ±0.01mm tolerance, with fine grinding for an ultra-smooth surface.

Factory Direct Supply – No middlemen, ensuring the best quality at the most competitive prices.

Custom Manufacturing – We offer tailor-made solutions to meet your exact specifications in size, shape, and tolerance.

Size:
Availability:
Quantity:
  • NEW112

  • HaoRui

  • custom01020

IMG20250529142447_副本

Product Introduction – Alumina Ceramic Threaded Rods

Customizable Ceramic Properties & Precision Machining
Our company offers tailored ceramic property formulation and precision machining services based on customer requirements.

Design Features

Alumina Ceramic Threaded Rods, also known as mechanical ceramic connecting rods or wear-resistant corundum rods, are high-performance non-metallic solutions designed for specific applications in mechanical structures. These threaded rods are widely used in chemical processing, high-temperature furnaces, and other corrosive environments, offering unique design advantages and a wide range of application possibilities.

Key Advantages

Precision Thread Design
Engineered with high-precision threading to provide strong fastening force and prevent loosening under vibration or thermal fluctuations. This ensures reliable connections and stable performance in demanding conditions.

Excellent Wear and Chemical Resistance
Made from high-purity alumina, these rods offer outstanding wear resistance and superior chemical stability, making them ideal for harsh industrial environments.

High Temperature Resistance
Alumina ceramic can withstand operating temperatures up to 1650°C, making these rods suitable for extreme environments such as high-temperature furnaces.

Electrical Insulation
As a non-conductive material, alumina ceramic threaded rods are suitable for use in the power and electronics industries, ensuring safety when handling sensitive electronic components.

Application Areas

  • Chemical Processing Equipment
    Provides structural support while resisting corrosion in chemical environments.

  • High-Temperature Industrial Furnaces
    Used for securing or connecting components in high-temperature equipment, maintaining performance during operation.

  • Electrical and Electronics Industry
    Acts as an insulating connector, preventing electrical failures and enhancing overall system safety.


Why Choose Haorui Industrial Ceramics?

At Shenzhen Haorui Industrial Technology, we specialize in high-precision ceramic machining, offering:
Top-quality alumina ceramics with exceptional durability
Advanced CNC processing for customized complex structures
Strict quality control ensuring high-accuracy production
Expert engineering support to meet industry-specific needs

For inquiries about custom alumina ceramic machining, contact us today!

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|Comment & FAQ

1. Are you a factory or a trading company?

A:We are a professional manufacturer of ceramic parts. we are factory.

2. Do you only supply standard parts or can customized parts according to our drawing?

A: All parts can be customized according to you drawings and will meeting your requirements perfectly.

3. Can the price be negotiated?

A: Of course, we will consider discounts for large-volume orders.

4: Can you guarantee the product?

A: Yes, we promise to provide quality assurance for all products, inspect according to your drawings and issue an inspection report. If you are not satisfied with our product quality or service, please feel free to give us feedback.

5: Can I visit your factory?

A: Of course, welcome your arrival, please contact us in advance and make an appointment.


6: Do you provide samples ? is it free or extra ?


A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

7: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.If you have another question, pls feel free to contact us as below:

sales@szhr-tech.com


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 Data Sheet





Properties of Alumina material (Al2O3)


Property
Item
95% Al2O3
99% Al2O3
99.8%Al2O3
Unit
Mechanical Characteristics
Color
White
light yellow
Ivory

Bulk Density
3.7
3.85
3.93
g/cm3
Water Absorption
0
0
0
%
Bending Strength
300
310
370
MPa
Compressive Trength
2,300
2,400
2500
MPa
Elastic Modulus
320
340
390
GPa
Fracture Toughness
3~4
3~4
4
MPa m1/2
Weber Coefficient
12
12
12
m
Vickers Hardness
1,400
1,600
1850
HV 0.5
Thermal Characterics
Coefficient of Line Thermal
Expansion
7~8
7~8
7~8
10-6 K-1
Thermal Conductivity
20
29
32
W/mK
Thermal Shock Resistance
(Put in Water)
250
200
280
ΔT °C
Max Working Temperature
1,500
1,600
1700
°C
Electrical Characteristics
Volume Resistance At 20°C
>1014
>1014
>1014
Ωcm
Dielectric Strength
15×106
15×106
15×106
V/m
Dielectric Constant
9
10
10
εr
One MHZ Dielectric Loss Angle
at 20°C
0.0004
0.0002
0.0001
tanδ
Chemical Characteristics
Nitric Acid (60%) 90°C
0.1
0.1
0.05
24H WT Loss mg/cm2
Sulphuric Acid (95%) 95°C
0.3
0.34
0.22
Caustic Soda (30%) 80°C
0.9
0.95
0.04


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Founded in June 2006, Shenzhen Haorui IndustriaI Technology Co.,Ltd. is a professional enterprise engaged in R&D, manufacturing and sales of non-standard industrial ceramics, hard alloys (tungsten steel) and various metal and non-metal precision machinery parts.

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