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Where are the threads of high strength hexagonal bolts mainly used?

High strength hexagonal bolt is a kind of bolt which is widely used. Class A and Class B high-strength hexagonal bolts are used for important assembly accuracy requirements, as well as places where they receive greater impact, vibration, or load. Class C high-strength hexagonal bolts are used for places with rough appearance and low assembly accuracy requirements.

The threads of high-strength hexagonal bolts are generally common threads of rough teeth, and the common thread bolts of fine teeth have good self-locking properties. They are mainly used for thin-walled parts or places with impact, vibration, or alternating loads. The general bolts are made of local threads, and the full-threaded bolts are mainly used in places where longer threads are required. Holed bolts are used in places where bolt locking is required.

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