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管螺纹的基本尺寸表英制管螺纹内径外径对照表(换算成公制得对照表)尺寸代号小径建议底孔基准距离1/82710.2429.4898.736φ8.64.1024.361/41813.61612.48711.358φ11.15.7864.103/81817.05515.92614.797φ14.56.0964.321/21..
管螺纹基本尺寸表(GB/T7307-1987)公称直径 (英寸)每英寸 牙数n螺距t螺纹直径牙形高度 h1圆弧半径 r外径d中径d2内径d1(1/8)280.9079.7299.1488.5670.5810.1251/4191.33713.15812.30211.4460.8560.1843/81916.66315.80714.9510.8560.1841/2141.81420.95619.79418.6321.1620.249(5/8)1400.91221.75020.5883/41426.44225.28124.119(7/8)1430.20229.04027.8781112.30933.25031.77130.2931.4790.3171.1/81137.89836.42034.9411.1/41141.91240.43338.9541.3/81144.32542.84641.3671.1/21147.80546.32644.8471.3/41153.74852.27050.79121159.61658.13756.6592.1/41165.71264.2
guan luo wen ji ben chi cun biao ( G B / T 7 3 0 7 - 1 9 8 7 ) gong cheng zhi jing ( ying cun ) mei ying cun ya shu n luo ju t luo wen zhi jing ya xing gao du h 1 yuan hu ban jing r wai jing d zhong jing d 2 nei jing d 1 ( 1 / 8 ) 2 8 0 . 9 0 7 9 . 7 2 9 9 . 1 4 8 8 . 5 6 7 0 . 5 8 1 0 . 1 2 5 1 / 4 1 9 1 . 3 3 7 1 3 . 1 5 8 1 2 . 3 0 2 1 1 . 4 4 6 0 . 8 5 6 0 . 1 8 4 3 / 8 1 9 1 6 . 6 6 3 1 5 . 8 0 7 1 4 . 9 5 1 0 . 8 5 6 0 . 1 8 4 1 / 2 1 4 1 . 8 1 4 2 0 . 9 5 6 1 9 . 7 9 4 1 8 . 6 3 2 1 . 1 6 2 0 . 2 4 9 ( 5 / 8 ) 1 4 0 0 . 9 1 2 2 1 . 7 5 0 2 0 . 5 8 8 3 / 4 1 4 2 6 . 4 4 2 2 5 . 2 8 1 2 4 . 1 1 9 ( 7 / 8 ) 1 4 3 0 . 2 0 2 2 9 . 0 4 0 2 7 . 8 7 8 1 1 1 2 . 3 0 9 3 3 . 2 5 0 3 1 . 7 7 1 3 0 . 2 9 3 1 . 4 7 9 0 . 3 1 7 1 . 1 / 8 1 1 3 7 . 8 9 8 3 6 . 4 2 0 3 4 . 9 4 1 1 . 1 / 4 1 1 4 1 . 9 1 2 4 0 . 4 3 3 3 8 . 9 5 4 1 . 3 / 8 1 1 4 4 . 3 2 5 4 2 . 8 4 6 4 1 . 3 6 7 1 . 1 / 2 1 1 4 7 . 8 0 5 4 6 . 3 2 6 4 4 . 8 4 7 1 . 3 / 4 1 1 5 3 . 7 4 8 5 2 . 2 7 0 5 0 . 7 9 1 2 1 1 5 9 . 6 1 6 5 8 . 1 3 7 5 6 . 6 5 9 2 . 1 / 4 1 1 6 5 . 7 1 2 6 4 . 2 . . .
管螺纹尺寸表 3 公称直径 (寸) 1/8 1/4 3/8 1/2 5/8 3/4 7/8 管螺纹钻底孔用钻头直径尺寸表 钻头直径 (毫米) 8.8 11.7 15.2 18.9 20.8 24.3 28.1公称直径 (寸) 1 1 /8 11/4 1 /8 1 /2 13
管螺纹尺寸表,管螺纹标准,管螺纹,管螺纹标准对照表,管螺纹接头尺寸,管螺纹接头标准, 管螺纹的型式和尺寸BritishPipeThread(惠氏管螺纹)圆柱(BSPP/BSPF)螺纹代螺距mmm
管螺纹的型式和尺寸BritishPipeThread(惠氏管螺纹)圆柱(BSPP/BSPF)螺纹代螺距mmm 38.02434.771 3.253 35.50 3/4 BSW 44.452 5.080 41.19937.946 3.253 38.50 7/8 BSW
[最佳答案] 3/8罗丝的外径是9点312一9点49毫米,英制三角罗纹,罗纹55度角,罗距是每吋16扣。
NPT,PT,G 都是管螺纹. NPT是 National (American) Pipe Thread的缩写,属于美国标准的 60度锥管螺纹,用于北美地区.国家标准可查阅 GB/T12716
[最佳答案] 八分之三外螺纹直径对照表? 3/8英寸=25.4x3/8=9.525mm。故此外螺纹直径为9.525mm。
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