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Metric thread stud bolt

Metric-thread stud bolts are typically manufactured from carbon or alloy steel with a tensile strength ranging from 70 to 120 ksi. Their diameters range between 6 to 50 millimeters and are available in various lengths. The threads are produced according to ISO 261 or DIN 13 standards with a precision class of 6g or 7g. The surface hardness after heat treatment ranges from 200 to 280 Brinell, ensuring high mechanical strength. This type of stud bolt is widely used in oil, gas, and petrochemical industries for precise and durable connections.

Due to the accurate thread geometry and high-quality raw materials, metric-thread stud bolts can withstand high pressure and industrial vibrations. The manufacturing process includes heat treatment, grinding, and strict dimensional control. Mechanical tests such as tensile strength, hardness, and non-destructive testing are conducted to ensure final quality. These stud bolts perform optimally in corrosive environments and high temperatures, offering long service life and reliability.

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