ISO 9255 - 200812角法蘭面螺釘 - 中短MJ螺紋 - 強(qiáng)度等級(jí)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
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DIN EN 1662 - 1998六角法蘭面螺栓 小系列 Hexagon Bolts with Flange - Small Series