DIN912 M1.6*3 12.9 grade SCM435 cylindrical head hexagon socket machine screw (blackened) is a high-strength micro screw designed for applications requiring high-precision and high-strength connections. It is made of SCM435 alloy steel and heat-treated to reach the 12.9 grade high-strength standard, capable of withstanding large loads and stresses. The cylindrical head design of the screw is simple and beautiful, and the hexagon socket structure facilitates quick and stable installation and removal using special tools, ensuring the convenience and reliability of operation. The M1.6*3 is compact and particularly suitable for use in small equipment and precision machinery, and is widely used in automotive, machinery manufacturing, and aerospace. The blackening treatment not only improves the appearance quality, but also further enhances the corrosion resistance.
As a high-precision screw, the DIN912 M1.6*3 screw has a fine manufacturing process and strictly controlled dimensional tolerances to ensure a perfect match with the threaded hole. Its high strength and high reliability enable it to withstand high-intensity vibration and shock while maintaining the stability of the connection to ensure the stable operation of the equipment.
DIN912 M1.6*3 12.9 grade SCM435 screws also perform well in applications that require extremely high precision and reliability. Its compact size and high performance make it a substitute for aerospace micro screws in auxiliary parts of aerospace equipment, precision instruments, and occasions that require high-strength connections. Whether it is dealing with complex environments or ensuring the long-term stable operation of equipment, this screw can provide a reliable fastening solution.
Yijun specializes in the production of M0.5-M3 micro precision screws, and supports customization of various models of M0.5-M3 for this product or other products
Product advantages
In today's industrial field, high-precision micro screws are small but play an indispensable and key role. As a leading enterprise in the industry, Shanghai Yijun focuses on the production of high-precision micro screws and is committed to providing excellent fastening solutions for various industries. With excellent product quality, a wide range of applications, and thoughtful customer service, the company has established a good reputation in the field of high-precision micro screw production and won the trust and support of many customers.


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The company always adheres to customer-centricity and provides customers with a full range of high-quality services. From the moment the customer raises a demand, the professional customer service team will respond quickly and communicate with the customer in depth to understand their specific needs. The technical team is fully supportive, from the development of special specification screws to the customization of surface treatment processes, providing drawing design, sample proofing, and batch production full-process services to ensure that the most suitable products are tailored for customers.

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The company has a team of senior engineers and professional technicians who have rich industry experience and superb technology, and have in-depth research and unique insights into the production process of micro screws. From the strict screening of raw materials, to every step in the production process, to the final quality inspection, the team strictly controls to ensure that every micro screw meets the highest quality standards.