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Custom 99% Alumina Ceramic Threaded Base Plate – CNC Precision Machining for High-Temperature & Vacuum 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:
  • NEW110

  • HaoRui

  • custom01001

IMG20250521144738_副本

IMG20250521144945_副本

High Precision Alumina Ceramic Threaded Mounting Base

This alumina ceramic threaded base is designed for high-performance insulation and mechanical stability in harsh environments. Manufactured by Shenzhen Haorui Industrial Technology, the part features precision CNC machining with ±0.01mm tolerance to ensure perfect fit and reliable sealing in high-temperature, high-voltage, or corrosive conditions.

Key Features

Material: 99% high-purity alumina (Al₂O₃) ceramic
Precision Machining: Threaded center and mounting holes processed with ultra-tight tolerances
Excellent Insulation: Ideal for electrical and thermal isolation
High Temperature Resistance: Withstands temperatures above 1600°C
Corrosion & Wear Resistance: Durable in chemically aggressive or abrasive environments
Fine Surface Finish: Ground and polished for smooth, professional-grade surface

Applications

Semiconductor Equipment – For wafer chucks, vacuum systems, and reaction chambers
Vacuum & Plasma Systems – Insulating bases for vacuum feedthroughs or gas inlets
Power Electronics – High-voltage mounting base for circuit isolation
Laboratory & Analytical Devices – Precision mounting component for high-end instruments

OEM/ODM customization available. We can tailor dimensions, threading, and hole configurations to match your specific design.

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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 Certifications

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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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