Specializing in the production of special precision screws and nuts of various standards such as Chinese standard GB, Japanese standard JIS, British BS, American ANSI and ISO.
At present, the smallest screw diameter that our company can produce is 0.4mm, the shortest is 0.4mm, and the longest is 300CM.
Name Specification: SEM’S SPRING PLAIN WASHER SCREW M3*L4
Reference standard: JIS/ANSI/DIN/BSI
Surface Treatment: BLUE ZINC PALTING
Salt spray time: over 256 hours / HIGH SALT SPRAY: 256H
Product Specifications: M3*PITCH0.5*L4MM
Nominal length: L12mm±0.1/ L4MM±0.1
Nominal diameter: 3mm±0.05
Origin: CHINA
Material: LOW CARBON STEEL
What is Sem’s Spring Plain Washer Screw?
Sem's Spring Plain Washer Screw combines the functionality of a screw with the stability provided by a spring plain washer. This innovative design ensures secure fastening in various applications where vibration and loosening are concerns. The integrated spring washer provides consistent pressure to prevent loosening over time, making it ideal for environments requiring reliable and durable fastening solutions. Available in a range of sizes and materials, Sem's Spring Plain Washer Screw meets stringent quality standards, ensuring performance excellence in industries such as automotive, electronics, and machinery.
Key Features:
1.Integrated Spring Washer: Features a built-in spring plain washer that provides consistent pressure to prevent loosening under vibrations.
2.Secure Fastening: Ensures reliable fastening in applications prone to vibration, enhancing overall stability.
3.Durable Construction: Made from high-quality materials for long-lasting performance in demanding environments.
4.Versatile Applications: Suitable for various industries including automotive, electronics, and machinery.
5.Range of Sizes: Available in multiple sizes to accommodate different fastening needs.
Applications:
1.Automotive Assembly: Used in automotive manufacturing for securing components that require reliable fastening against vibrations.
2.Electronics: Applied in electronics assembly to ensure stable mounting of circuit boards and components in devices.
3.Machinery: Utilized in machinery construction to prevent loosening of critical parts subjected to operational vibrations.
4.Construction: Used in construction for securing structural elements where stability and durability are paramount.
5.Aerospace: Employed in aerospace applications to maintain secure fastenings in aircraft components exposed to extreme conditions.
Advantages of Using Sem’s Spring Plain Washer Screw
1.Enhanced Stability: Integrates a spring plain washer to maintain consistent pressure, preventing loosening even in high-vibration environments.
2.Reliable Performance: Ensures secure fastening, reducing the need for frequent maintenance and tightening.
3.Versatile Use: Suitable for a wide range of applications across industries like automotive, electronics, and machinery.
4.Longevity: Durable materials and design contribute to long-lasting performance in demanding conditions.
5.Ease of Installation: Facilitates efficient assembly and installation processes, enhancing productivity.
1. We have more than 20 years of experience in exporting to many countries for example America.Japan.Korea.Germany.France.England etc. In fact, we have 20 years of production experience. When the drawings are confirmed, we will provide customers with professional information to make product assembly smoother.
2. Our company have ISO9000.
3. We can give Proposing Solutions and help our customer to solve any fastner system problem.
4.We can reply you price within 2 hours.
5. We can produce samples for you in 5-7 days.
6. We can give you drawings within 2 hours.
7. Working with us can save your time and money.
8.We can confirm 100% quality in diameter and tolerance.
9.More than 90% are returned customers.
10.We not only produce and sell products ,we also can offer you help in China as friend .
11.I would like to help you to reach your dream in my ability ,give me chance is giving yourself chance.
Our logistics information exchange :
Are you factory ?
We are factory.We not only produce customized hardware we also produce test machine to check quality ourselves.This is our big advantage.
How long is your delivery time?
It is according to the product you need and quantity ,usually in 30 days
Can you provide samples ?
Yes, we can supply samples if we have stock.But if its customized , you need pay us mould fee, sample cost.
What drawings format do you need for production?
2D:PDF, CAD, JPG etc.3D: STP,IGS, STL, SAT,PRT,PT etc.
Can you produce according to the samples?
Yes,we can produce accordingto your samples
What can we do if you have any problem on your production line?
If you have any fastners problem on your production line,we will give you solutions quickly.
Dongguan Qisheng Metal Technology Co., Ltd. is a professional manufacturer of screws and nuts and other fastener products integrating R&D, production, processing and sales. The company is located in the famous manufacturing city in China-Dongguan City, Guangdong Province. The company covers an area of 3,000 square meters.
Specializing in the production of special precision screws and nuts of various standards such as Chinese standard GB, Japanese standard JIS, British BS, American ANSI and ISO. Our equipment is advanced. At present, the smallest screw diameter that our company can produce is 0.4mm, the shortest is 0.4mm, and the longest is 300CM. The materials used are stainless steel SUS304 /SUS410/SUS 430 /SUS620, etc., red copper H95, brass C2700, aluminum 6061, titanium TI 04, etc.
Our products can meet the environmental testing standards of the European Union-ROHS, the United States–California 65 standard, Japan-SONY00259 etc., and even more stringent testing standards. At present, our salt spray test standard can reach up to 2000 hours, and the surface hardness can reach up to HV2000.
Our business policy is to serve every customer with the highest quality and fastest speed.
Please feel free to contact us if necessary.
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