ISO 4017 ГОСТ 7798-70 / 7805-70 Hex Head Bolt

The hexagonal head bolts of Jinghong manufacturer are designed and manufactured strictly in accordance with the latest international standard ISO4017:2022 and Russian standards ГОСТ 7798-70 and ГОСТ 7805-70. This means that Jinghong's products are double benchmarked in terms of tolerances, dimensions, mechanical properties, and markings, ensuring that the interchangeability and reliability of screws fully comply with local engineering standards.

The manufacturing accuracy of the product follows the B-level requirements of ГОСТ 7798-70, which is the product grade defined by this standard. At the same time, its size series fully covers the M1.6 to M64 metric coarse thread range specified in ISO 4017:2022, achieving full scene coverage from general machinery to large structures.

Product Feature

Professional compliance assurance: We have a deep understanding of the ISO and GOST standard systems, ensuring that every step from raw material procurement to finished product delivery meets the requirements of double standards, clearing technical barriers for you.

Flexible customization capability: We can flexibly adjust performance levels, materials, and surface treatment solutions within the standard framework according to your specific project needs, and provide a complete set of matching nut and washer connection solutions.

Stable and reliable quality: With a comprehensive quality control system, our products undergo strict testing for size, mechanical properties (such as tensile strength), and corrosion resistance to ensure highly consistent performance between batches.

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