China National Standards

China Preferable GB Standards List


  •  China "Preferable" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 9146-2003 General purpose metric screw threads--Limits of sizes for the screw threads of coarse quality and Preferable plan
    普通螺纹 粗糙精度、优选系列的极限尺寸
    China National Standards
    Preferable

    English PDF
    GB/T 9145-2003 General purpose metric screw threads--Limits of sizes for the screw threads of medium quality and Preferable plan
    普通螺纹 中等精度、优选系列的极限尺寸
    China National Standards
    Preferable

    English PDF
    GB/T 9144-2003 General purpose metric screw threads--Preferable plan
    普通螺纹 优选系列
    China National Standards
    Preferable

    English PDF

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