1) Lubricating grooves
GB/T 6403.2-1986 润滑槽
2) Relief grooves for grinding wheels
GB/T 6403.5-1986 砂轮越程槽
3) Metric trapezoidal screw threads―Profile
GB/T 5796.1-1986 梯形螺纹 牙型
4) Metric trapezoidal screw threads--Tolerances
GB/T 5796.4-1986 梯形螺纹 公差
5) Radii of sphere surfaces
46 GB/T 6403.1-1986 球面半径
6) Dimensional tolerances for castings
GB/T 6414-1986 铸件尺寸公差
参考词条