NPT螺纹简图

作者：bearingpower        发表时间：2010-12-12

NPT螺纹简图关键字：NPT螺纹 http://www.cutinfo.cn/oledit/UploadFile/200512/20051210174955538NPT螺纹简要尺寸管子公称尺寸in 1/16 1/8 1/4 3/8 1/2 3/4 1 1 ? 1 ? 2 2 ? 3 3 ? 4 管子外径 in 0.3125 0.405 0.540 0.675 0.840 1.050 1.315 1.660 1.900 2.375 2.875 3.500 4.000 4.500 mm 7.9 10.3 13.7 17.1 21.3 26.7 33.4 42.2 48.3 60.3 73.0 88.9 101.6 114.3 每英寸牙数 27 18 14 11 ? 8 螺距：mm 0.9408 1.411 1.814 2.209 3.175 旋合长度：mm 4.064 4.102 5.786 6.096 8.128 8.611 10.160 10.668 11.074 17.323 19.456 20.853 21.438 旋合中径：mm 7.142 9.489 12.487 15.926 19.772 25.117 31.462 40.218 46.287 58.325 70.159 86.068 98.776 111.433