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1、美制螺纹内外径对照表UNF规格配备管路牙数常用头型头以上露螺母内经外丝外径11/16直径1016A815.8817.467/16620C99.7411.113/161316A19.1520.631/2620C911.3312.79/166、1018C912.7614.095/81018A1014.3515.813/410、1316C1117.3319.057/81314C1220.5622.41-1/1616、1912C1324.726.981-5/162512C1531.0532.381-5/83212C1738.9841.071-7/83812C2045.3347.221寸1614A112
2、3.2925.41-3/1616、1912C1228.0430.161-7/162512C1434.3936.151-11/163212C1640.7642.86英制55螺纹内外对照表规格外丝外径最大螺母内经最大螺母内经最小备注1/16*28牙7.7236.866.561直径13*2层1/8*289.7288.768.56641/4*1913.15711.7411.44563/8*1916.66215.2514.950101/2*1420.95518.9318.631135/8*1422.91121.03220.587163/4*1426.44124.56224.117197/8*1430.20128.33227.877221寸*1133.24930.73530.291291-1/4*1141.91039.39738.9521-1/2*1147.80345.2944.8452寸*1159.61457.10156.666
