1) General purpose screw threads for joints on pipe line--Dimensions
GB/T 1414-1978 管路旋入端用普通螺纹尺寸系列
2) Limits of size for general purpose screw threads
GB/T 15756-1995 普通螺纹 极限尺寸
3) Taper pipe threads with 60 degree
GB/T 12716-1991 60°圆锥管螺纹
4) Dimensional tolerances for castings
GB/T 6414-1986 铸件尺寸公差
5) Miniature screw threads--Basic dimensions
GB/T 15054.3-1994 小螺纹 基本尺寸
6) Miniature screw threads--Limits of sizes
GB/T 15054.5-1994 小螺纹 极限尺寸
参考词条