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Customized ISO7380 Flat Round Head Hexagon Screw

Introduction: ISO7380 inner hexagonal screw with a flat round head, a kind of hexagon screw, its head is a flat round head, and the middle is a concave hexagon, called a flat round head hexagon screw.

ISO7380 flat round head hexagon screw adopts the international standard ISO7380:1997. The standard stipulates that the thread specifications are from M3 to M16, the performance grades are 8.8, 10.9, and 12.9, and the product grade is A grade.

Yijin hardware production of flat round-head hexagon screws in line with international standard thread, all threads are carried out in strict accordance with the standard, and both the pass gauge and the stop gauge are up to standard so that the thread is not easy to slip.

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