full thread meaning in Chinese

全螺纹
全牙螺纹
通长螺纹

Hexagon head bolts with fine pitch thread - full thread
六角头螺栓细牙全螺纹
Hexagon head bolts - full thread
六角头螺栓全螺纹
Construction machinery and equipment . high strength bolts with hexagon head . full thread
建筑机械与设备.强度六角头螺栓.螺纹
Construction machinery and equipment . high strength bolts with hexagon head - fine pitch thread - full thread
建筑机械与设备.高强度六角头螺栓.细牙.全螺纹