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 12126 - 2012 细牙全金属锁紧六角法兰螺母 A型和B型 Prevailing Torque Type All - Metal Hexagon Nuts With Flange With Metric Fine Pitch Thread,Style 2 - Product Grades A And B
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
ISO 9255 - 2008 12角法兰面螺钉 - 中短MJ螺纹 - 强度等级小于等于1100MPa Aerospace - Bolts, Normal Spline Head, Normal Shank, Short or Medium Length MJ Threads, Metallic Material, Coated or Uncoated, Strength Classes Less Than or Equal to 1100 MPa