英制管牙系列表.doc

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1、表格1英制管牙系列表圆柱管螺纹（PT）55度圆锥管螺纹（PS）类型牙数外径孔径牙数基面外径孔径1/41913.15711913.15711.43/81916.66214.51916.66215.01/21420.95518.01420.95518.55/81422.91122.9113/41426.44123.51426.44124.07/81430.20130.20111133.24929.51133.24930.21-1/81137.8491137.8491-1/41141.91038.01

2、141.91038.81-1/21147.80344.01147.80344.81-3/4）1153.74653.74621159.61455.51159.61456.52-1/4）1165.71065.7102-1/21176.1841176.1842-3/41181.5311181.53131187.8841187.88455度英制普螺纹（BSW）60度美制管螺纹（NPT）类型牙数外径孔径牙数外径孔径1/16197.96.251/8402.652710.38.435/32323.253/16

3、243.751/4205.101813.611.35/16186.603/8168.001814.812.17/16149.401/21210.701421.218.329/161212.305/81113.703/41016.701426.523.677/8919.501822.401133.229.2美制螺纹规格及加工资料英制（美制）螺纹规格及加工资料60细牙螺纹（UNF）60度粗牙螺纹（UNC）螺纹类每寸牙数钻孔直径每寸牙数钻孔直径N0：1721.55641.552641.85561.80

4、3562.10482.104482.40402.305442.70402.606402.90322.808363.50323.4010324.00243.9012284.60244.501/4285.50205.15/16246.90186.63/8248.50168.007/16209.90149.401/22011.501310.809/161812.901212.25/81814.501113.63/41617.501016.50