螺距(t) 内径(d 1) 螺距(t) 内径(d 1) 2 0.4 1.567 2.5 0.45 2.013 3 0.5 2.459 4 0.7 3.242 0.5 3.459 5 0.8 4.134 0.5 4.459 6 1 4.918 0.75 5.188 8 1.25 6.647 1,0.75,0.5 6.918,7.188,7.459 10 1.5 8.376 1.25,1,0.75 8.647,8.918,9.188 12 1.75 10.106 1.5,1.25,1 10.376,10.647,10.918 14 2 11.835 1.5,1 12.376,12.918 16 2 13.835 1.5,1 14.376,14.918 18 2.5 15.294 2,1.5,1 15.835,16.376,16.918 20 2.5 17.294 2,1.5,1 17.835,
螺距(t) 内径(d 1) 螺距(t) 内径(d 1) 2 0.4 1.567 2.5 0.45 2.013 3 0.5 2.459 4 0.7 3.242 0.5 3.459 5 0.8 4.134 0.5 4.459 6 1 4.918 0.75 5.188 8 1.25 6.647 1,0.75,0.5 6.918,7.188,7.459 10 1.5 8.376 1.25,1,0.75 8.647,8.918,9.188 12 1.75 10.106 1.5,1.25,1 10.376,10.647,10.918 14 2 11.835 1.5,1 12.376,12.918 16 2 13.835 1.5,1 14.376,14.918 18 2.5 15.294 2,1.5,1 15.835,16.376,16.918 20 2.5 17.294 2,1.5,1 17.835,