公制与美制牙距表.doc

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1、公制螺纹的牙距标准表（含粗牙与细牙）以下单位为毫米mm公称直径牙距 mm粗牙細牙M10.250.2M1.20.250.2M1.60.350.2M20.40.25M2.50.450.35M30.50.35M40.70.5M50.80.5M610.75M81.251M101.51.25M121.751.25M1421.5M1621.5M182.51.5M202.51.5M222.51.5M2432M2732M303.52(M33)3.52M3643(M39)43M424.53(M45)4.53M4853美制标准螺纹的牙距表,含粗牙细牙公稱直徑直徑尺寸牙距(即每英寸牙數）英寸inch毫米

2、mm粗牙UNC細牙UNF0#0.061.524-801#0.0731.85464722#0.0862.18456643#0.0992.51548564#0.1122.84540485#0.1253.17540446#0.1383.50532408#0.1644.166323610#0.194.826243212#0.2165.48624281/4"0.256.3520285/16"0.31257.93818243/8"0.3759.52516247/16"0.437511.11314201/2"0.512.713209/16"0.562514.28812185/8"0.62515.

3、87511183/4"0.7519.0510167/8"0.87522.2259141"125.48121-1/8"1.12528.5757121-1/4"1.2531.757121-3/8"1.37534.9256121-1/2"1.538.16121-3/4"1.7544.455-2"250.84.5-