螺纹底孔尺寸

M1.0×0.25 M1.1×0.25 M1.2×0.25 M1.4×0.3 M1.6×0.35 M1.7×0.35 M1.8×0.35 M2.0×0.4 M2.2×0.45
常用螺纹与底孔加工对照表
公制细牙螺纹 规 格 标准径 5.50 6.30 6.50 7.00 7.30 7.50 8.00 8.30 8.80 9.00 9.30 9.50 10.00 10.30 10.50 10.80 11.00 11.50 12.50 13.00 13.50 14.00 14.50 15.00 15.50 16.00 16.00 16.50 17.00 18.00 18.50 19.00 20.00 20.50 21.00 22.00 22.50 23.00 23.00 23.50 24.00 24.50 25.00 25.50 26.00 26.00 2级精度钻孔径 最大 最小 5.550 5.400 6.378 6.188 6.550 6.400 7.153 6.917 7.378 7.188 7.520 7.400 8.153 7.917 8.378 8.188 8.912 8.647 9.153 8.917 9.378 9.188 9.520 9.400 10.153 9.917 10.378 10.188 10.676 10.376 10.912 10.647 11.153 10.917 11.520 11.400 12.676 12.376 13.153 12.917 13.676 13.376 14.153 13.917 14.676 14.376 15.153 14.917 15.676 15.376 16.153 15.917 16.210 15.835 16.676 16.376 17.153 16.917 18.210 17.835 18.676 18.376 19.153 18.917 20.210 19.835 20.676 20.376 21.153 20.917 22.210 21.853 22.676 22.376 23.153 22.917 23.210 22.835 23.676 23.376 24.153 23.917 24.676 24.376 25.210 24.835 25.676 25.376 26.153 25.917 26.210 25.835 规 格 M28×1.5 M28×1.0 M30×3.0 M30×2.0 M30×1.5 M30×1.0 M32×2.0 M32×1.5 M33×3.0 M33×2.0 M33×1.5 M35×1.5 M36×3.0 M36×2.0 M36×1.5 公制细牙螺纹 标准径 26.50 27.00 27.00 28.00 28.50 29.00 30.00 30.50 30.00 31.00 31.50 33.50 33.00 34.00 34.50 2级精度钻孔径 最大 最小 26.676 26.376 27.153 26.917 27.252 26.752 28.210 27.835 28.676 28.376 29.153 28.917 30.210 29.835 30.676 30.376 30.252 29.752 31.210 30.835 31.676 31.376 33.676 33.376 33.252 32.752 34.210 33.835 34.676 34.376 PT规格 (新规格Rc) 1/16-28 1/8-28 1/4-19 3/8-19 1/2-14 3/4-14 1-11 1 1/4-11 1 1/2-11 2-11
公制迫牙丝 规格 M1.0×0.25 M1.2×0.25 M1.4×0.30 M1.6×0.35 M1.7×0.35 M1.8×0.35 M2.0×0.40 M2.2×0.45 M2.3×0.40 M2.5×0.45 M2.6×0.45 M3.0×0.50 M3.5×0.60 M4.0×0.70 M5.0×0.80 M6.0×1.0 M7.0×1.0 M8.0×1.25 M10×1.50 M10×1.25 M12×1.75 M12×1.25
英制管
M6.0×0.5 M7.0×0.75 M7.0×0.5 M8.0×1.0 M8.0×0.75 M8.0×0.5 M9.0×1.0 M9.0×0.75 M10×1.25 M10×1.0 M10×0.75 M10×0.5 M11×1.0 M11×0.75 M12×1.5 M12×1.25 M12×1.0 M12×0.5 M14×1.5 M14×1.0 M15×1.5 M15×1.0 M16×1.5 M16×1.0 M17×1.5 M17×1.0 M18×2.0 M18×1.5 M18×1.0 M20×2.0 M20×1.5 M20×1.0 M22×2.0 M22×1.5 M22×1.0 M24×2.0 M24×1.5 M24×1.0 M25×2.0 M25×1.5 M25×1.0 M26×1.5 M27×2.0 M27×1.5 M27×1.0 M28×2.0
常用螺纹与
缝纫机专用螺纹(二级精度) 规格 标准径 最大 SM1/6(1.58)-80 1.25 1.281 SM5/64(1.98)-64 1.55 1.593 SM3/32(2.38)-56 1.9 1.936 SM3/32(2.38)-100 2.1 2.156 SM1/8(3.17)-32 2.3 (2.293) SM1/8(3.17)-40 2.5 2.551 SM1/8(3.17)-44 2.5 2.605 SM1/8(3.17)-48 2.6 2.657 SM9/64(3.57)-32 2.7 (2.790) SM9/64(3.57)-40 2.9 2.948 SM11/64(4.37)-32 3.5 3.584 SM11/64(4.37)-40 3.7 3.742 SM3/16(4.76)-24 3.6 3.658 SM3/16(4.76)-28 3.8 3.844 SM3/16(4.76)-32 3.9 3.980 SM3/16(4.76)-40 4.05 4.138 SM7/32(5.56)-32 4.7 4.774 SM15/64(5.95)-28 5.0 5.055 SM1/4(6.35)-24 5.2 5.266 SM1/4(6.35)-28 5.4 5.452 SM1/4(6.35)-40 5.6 5.762 SM9/32(7.14)-20 5.7 5.824 SM9/32(7.14)-28 6.2 6.256 SM5/16(7.94)-18 6.3 6.444 SM5/16(7.94)-24 6.8 6.864 SM5/16(7.94)-28 6.9 7.050 SM11/32(8.73)-28 7.7 7.843 SM3/8(9.53)-18 7.9 8.053 SM3/8(9.53)-28 8.5 8.637 SM7/16(11.11)-16 9.3 9.440 SM7/16(11.11)-28 10.1 10.224 SM1/2(12.7)-12 10.3 10.420 SM1/2(12.7)-20 11.3 11.410 SM1/2(12.7)-28 11.7 11.812 SM9/16(14.29) 12.9 13.018 公制粗牙螺纹 规 格 标准径 0.75 0.85 0.95 1.10 1.25 1.35 1.45 1.60 1.75 2级精度钻孔径 最大 最小 0.785 0.729 0.885 0.829 0.985 0.929 1.142 1.075 1.321 1.221 1.421 1.321 1.521 1.421 1.679 1.567 1.838 1.713 最小 1.211 1.513 1.841 2.081 (2.233) 2.421 2.485 2.547 (2.630) 2.818 3.424 3.612 3.498 3.684 3.820 4.008 4.614 4.875 5.086 5.272 5.596 5.634 6.066 6.254 6.674 6.860 7.653 7.843 8.447 9.220 10.034 10.180 11.190 11.622 12.778 公制粗牙螺纹 规 格 M2.3×0.4 M2.5×0.45 M2.6×0.45 M3.0×0.5 M3.5×0.6 M4.0×0.7 M4.5×0.75 M5.0×0.8 M6.0×1.0 M7.0×1.0 M8.0×1.25 M9.0×1.25 M10×1.5 M11×1.5 M12×1.75 M14×2.0 M16×2.0 M18×2.5 M20×2.5 M22×2.5 M24×3.0 M27×3.0 M30×3.5 标准径 1.90 2.10 2.20 2.50 2.90 3.30 3.80 4.20 5.00 6.00 6.80 7.80 8.50 9.50 10.30 12.00 14.00 15.50 17.50 19.50 21.00 24.00 26.50 2级精度钻孔径 最大 最小 1.979 1.867 2.138 2.013 2.238 2.113 2.599 2.459 3.010 2.850 3.422 3.242 3.878 3.688 4.334 4.134 5.153 4.917 6.153 5.917 6.912 6.647 7.912 7.647 8.676 8.376 9.676 9.376 10.441 10.106 12.210 11.835 14.210 13.835 15.744 15.294 17.744 17.294 19.744 19.294 21.252 20.752 24.252 23.752 26.771 26.211 2级精度钻孔径 最大 最小 0.821 0.783 0.921 0.883 1.021 0.983 1.221 1.183 1.421 1.383 1.500 1.460 1.621 1.583 1.785 1.729 1.985 1.929 2.016 2.001 2.221 2.121 2.246 2.186 2.721 2.621 3.221 3.121 3.599 3.459 4.099 3.959 4.599 4.459 5.099 4.959 5.378 5.188
英制管螺纹 PS规格 标准径 (新规格Rp) 1/16-28 6.5 1/8-28 8.5 1/4-19 11.4 3/8-19 14.9 1/2-14 18.6 3/4-14 24.0 1-11 30.2 1 1/4-11 38.8 1 1/2-11 44.7 2-11 56.5 PF规格 标准径 (新规格G) 1/16-28 6.7 1/8-28 8.7 1/4-19 11.7 3/8-19 15.2 1/2-14 19.源自文库 5/8-14 21.0 3/4-14 24.5 7/8-14 28.2 1-11 30.6 1 1/8-11 35.2 1 1/4-11 39.2 1 1/2-11 45.0 1 3/4-11 51.0 2-11 57.0 最大 6.632 8.637 11.549 15.054 18.773 24.259 30.472 39.133 45.026 56.837 最大 6.843 8.848 11.890 15.395 19.172 21.128 24.658 28.418 30.931 35.579 39.592 45.485 51.428 57.296 最小 6.490 8.495 11.341 14.846 18.489 23.975 30.110 38.771 44.664 56.475 最小 6.561 8.566 11.445 14.950 18.631 20.587 24.117 27.877 30.291 34.939 38.952 44.845 50.788 56.656
公制细牙螺纹 规 格 M1.0×0.2 M1.1×0.2 M1.2×0.2 M1.4×0.2 M1.6×0.2 M1.7×0.2 M1.8×0.2 M2.0×0.25 M2.2×0.25 M2.3×0.25 M2.5×0.35 M2.6×0.35 M3.0×0.35 M3.5×0.35 M4.0×0.5 M4.5×0.5 M5.0×0.5 M5.5×0.5 M6.0×0.75 标准径 0.80 0.90 1.00 1.20 1.40 1.45 1.60 1.75 1.95 2.05 2.20 2.20 2.70 3.20 3.50 4.00 4.50 5.00 5.30