High Strength 、High Strength
High Strength 、High Strength
High-strength bolts (High-Strength Friction Grip Bolt, HSFG) are fasteners that transmit external force by applying pre-tightening force and relying on friction. They are widely used in critical structures such as bridges, construction, wind power, high-speed rail and other fields. Their key feature is not only high material strength, but also their stress mechanism and connection performance.
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