ISO 10512 - 2012 细牙六角尼龙锁紧螺母 6级、8级、10级 Prevailing Torque Type Hexagon Regular Nuts(With Non-Metallic Insert) With Metric Fine Pitch Thread - Property Classes 6,8 And 10
ISO 12125 - 2012 细牙六角尼龙法兰锁紧螺母 A型和B型 Prevailing Torque Type Hexagon Nuts With Flange(With Non-Metallic Insert) With Metric Fine Pitch Thread,style 2 - Product Grades A And B
ISO 10512 - 1997 1型细牙六角尼龙锁紧螺母 6级、8级、10级 Prevailing torque type hexagon nuts(with non-metallic insert),style 1, with metric fine pitch thread—Property classes 6,8 and 10
ISO 12125 - 1997 细牙六角尼龙法兰锁紧螺母 A级、B级 Prevailing Torque Type Hexagon Nuts With Flange(With Non-metallic Insert) With Metricfine Pitch Thread - Product Grades A and B