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In mechanical equipment and engineering structures, DIN125 flat washers play a vital role. Although it may seem unimpressive, it is a key component in ensuring a safe and reliable connection. In this paper, the definition, application, advantages and selec...

A193 B7 screw rod is a kind of high strength alloy steel fastener, widely used in oil, natural gas, chemical, electric power and other industries of pressure vessels, pipelines, valves and other key equipment connection. Its excellent performance and relia...

In the field of machinery manufacturing, equipment installation and other industrial fields, bolts as the most basic connector, its importance is self-evident. Among the many bolt types, the hexagon bolt DIN912 has become a well-deserved "master key" with ...

DIN 931 is a widely recognized standard in the field of mechanical engineering and fastening technology. It specifies the technical requirements for hexagon head bolts with a metric thread, which are partially threaded. These bolts are commonly used in va...

On November 2, 2024, the three-region Screw Exchange Conference was held in Hong Kong after a lapse of five years. In the speech, they respectively introduced the development of the fastener industry in their respective regions, the crisis and difficultie...

On January 9, 2025, the launch ceremony of the group standard formulation of the "Carbon Footprint Quantification Requirements and Guidelines for Fastener Products" was held in Zhejiang National Inspection Testing Technology Co., LTD. The meeting was presi...