High-performance Industrial Fastening Alumina Screws

High-performance Industrial Fastening Alumina Screws 

Product Description

Alumina Screws possess core advantages such as high temperature resistance (up to 1600℃), full electrical insulation and non-magnetic properties, strong resistance to acid and alkali corrosion, high hardness and wear resistance, and cleanliness without exudation. They perfectly solve the industry pain points of metal screws being prone to rust and conductivity and softening at high temperatures, and plastic screws being prone to deformation and corrosion. They are widely used in semiconductors, new energy, chemical and pharmaceutical, high-temperature industries, aerospace and other fields, and can meet the requirements of different levels of high temperature, strong corrosion, high insulation, non-magnetic and clean working conditions. With environmental adaptability and service life far exceeding that of traditional fasteners, they have become an irreplaceable core connector in high-end equipment and special working conditions, and are a key supporting component for the development of industrial precision and high-end.

Product Specifications

1. Thread Standard: primarily Metric M2-M16, supporting Imperial, American, and non-standard trapezoidal threads;
2. Head Type: Countersunk, Cylindrical, External Hex, Internal Hex, Slotted, Phillips Head, and other full ranges;
3. Dimensional Accuracy: thread accuracy up to 6H grade, diameter tolerance ±0.05mm, length tolerance ±0.1mm;
4. Thread Form: full thread/Partial thread, supporting customized anti-loosening threads and special thread profiles;
5. Surface Finish: matte frosted, mirror polished, burr-free, pore-free, meeting SEMI cleanliness standards for semiconductors.

Product Advantages

Compared to traditional metal and plastic screws, alumina ceramic screws have the following irreplaceable advantages:

1. Never rusts — Completely solves the corrosion problem of metal screws
2. Insulating and non-magnetic — Meets the requirements of special electromagnetic environments
3. High temperature resistance — Can work continuously at temperatures above 1600℃
4. Wear resistance — Service life can be 3-5 times that of metal screws
5. Environmentally friendly and aesthetically pleasing — Meets modern industrial environmental protection requirements

Core Performance Characteristics

1. Excellent High Temperature Resistance

    95% Alumina Ceramic Screws: Long-term operating temperature up to 1600-1700℃

    99% Alumina Ceramic Screws: Long-term operating temperature up to 1600℃, short-term withstand of 1800℃

    Does not deform or stretch under high temperature conditions, and will not reduce connection strength

2.Excellent mechanical properties

3.Unique Functional Properties

   High Hardness and Wear Resistance: With a Mohs hardness of up to 9, second only to diamond, it maintains its shape even under continuous friction

   Excellent Insulation: Volume resistivity > 10¹² Ω·cm, making it an ideal electrical insulating material

   Non-Magnetic: Completely non-magnetic under normal conditions, suitable for environments sensitive to magnetic fields

   Chemical Stability: Resistant to acid and alkali corrosion, unaffected by acids except hydrofluoric acid

   Bio-Inert: Possesses good biocompatibility, suitable for medical applications

Applications

Usage Precautions

Installation Requirements

1. Ceramic screws are relatively brittle; avoid hammering or excessive torque during installation. It is recommended to use a matching ceramic nut.
2. Temperature Control: Avoid rapid cooling and heating to prevent thermal shock and cracking.
3. Matching Recommendations: Recommended for use with ceramic nuts. When using with metal threads, ensure proper tolerance matching.

Our workshop

Why choose us?

1.Customized R&D, rather than standard product adaptation

2.Deep control of materials science：Material Selection Based on Needs，Microstructure Optimization，Batch Consistency

3.Precision machining capability：Flatness can reach 0.001mm, parallelism 0.002mm, and roughness Ra 0.1μm.

FAQ

Q1: What products does your company offer?

We specialize in high-performance ceramics such as alumina and silicon nitride, providing insulators, structural components, wear-resistant parts, and customized solutions.

Q2: Can you customize non-standard parts?

Yes. We support processing based on provided drawings and collaborative technical development, offering a full-process service from design to mass production.

Q3: What about accuracy and delivery time?

Standard tolerance ±0.05mm, precision grade ±0.01mm; samples 7-15 days, bulk orders 20-30 days.

Q4: Main application areas?

Power, electronics, machinery, chemical, and aerospace industries.

Q5: Quality assurance measures?

Full-process quality inspection, providing material reports and performance test data, supporting third-party certification and testing.

Q6: Do you provide technical support?

We provide professional support such as material selection consultation, design optimization, and failure analysis.