螺纹孔底孔尺寸表

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螺纹孔底孔尺寸表M10×1 9.0 M14×1.5 12.5 M22×2 20.0 ZG1/4″ Rc1/4″ PT1/4″ 11.0 G1/4″ 11.7 Z1/4″ NPT1/4″
M12×1 11.0 M16×1.5 14.5 M24×2 22.0 ZG3/8″ Rc3/8″ PT3/8″ 14.5 G3/8″ 15.2 Z3/8″ NPT3/8″
M14×1 13.0 M18×1.5 16.5 M27×2 25.0 ZG1/2″ Rc1/2″ PT1/2″ 18.0 G1/2″ 18.8 Z1/2″ NPT1/2″
M16×1 15.0 M20×1.5 18.5 M30×2 28.0 ZG3/4″ Rc3/4″ PT3/4″ 23.5 G3/4″ 24.3 Z3/4″ NPT3/4″
M18×1 17.0 M22×1.5 20.5 M33×2 31.0 ZG1″ Rc1″ PT1″ 29.5 G1″ 30.5 Z1″ NPT1″
M20×1 19.0 M24×1.5 22.5 M36×2 34.0 ZG1 1/4″ Rc1 1/4″ PT1 1/4″ 38.0 G1 1/8″ 35.2 Z1 1/4″ NPT1 1/4″
M22×1 21.0 M27×1.5 25.5 M42×2 40.0 ZG1 1/2″ Rc1 1/2″ PT1 1/2″ 44.0 G1 1/4″ 39.2 Z1 1/2″ NPT1 1/2″