Professional fastener industry manufacturer / supplier in China, offering ISO 7041 - 2012 Prevailing Torque Type Hexagon Nuts (with Non-metallic Insert) , Style 2, Classes 9 and 12, Carriage Mushroom Round Square Neck Head Bolt Coach Bolt Toggle Bolt, Round Head Square Neck Carriage Bolts Coach Bolt ASME/ANSI B18.5 307A 3/8"-16 and so on.
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