螺纹对照表.pdf

最 大最 小最 大最 小 硬材M1.0 0.25 0.75 0.785 0.729 M12 1.0 11.00 11.153 10.917 1 -64UNC G5 1.76 1.68 M1.0 0.25 G4 0.92 0.89 W1/8-40 2.65M1.1 0.25 0.85 0.885 0.829 M12 0.5 11.50 11.520 11.400 2 -56 G4 2.04 1.96 M1.2 0.25 G4 1.11 1.09 W5/32-32 3.25M1.2 0.25 0.95 0.985 0.929 M14 1.5 12.50 12.676 12.376 3 -48 G4 2.35 2.25 M1.4 0.30 G4 1.30 1.26 W3/16-24 3.75M1.4 0.3 1.10 1.142 1.075 M14 1.0 13.00 13.153 12.917 4 -40 G5 2.64 2.54 M1.6 0.35 G4 1.47 1.43 W1/4-20 5.10M1.6 0.35 1.25 1.321 1.221 M15 1.5 13.50 13.676 13.376 5 -40 G5 2.97 2.87 M1.7 0.35 G4 1.57 1.52 W5/16-18 6.60M1.7 0.35 1.35 1.421 1.321 M15 1.0 14.00 14.153 13.917 6 -32 G5 3.22 3.11 M1.8 0.35 G4 1.67 1.62 W3/8-16 8.00M1.8 0.35 1.45 1.521 1.421 M16 1.5 14.50 14.676 14.376 8 -32 G6 3.89 3.78 M2.0 0.40 G4 1.84 1.79 W7/16-14 9.40M2.0 0.4 1.60 1.679 1.567 M16 1.0 15.00 15.153 14.917 10 -24 G6 4.44 4.30 M2.2 0.45 G5 2.04 1.98 W1/2-12 10.70M2.2 0.45 1.75 1.838 1.713 M17 1.5 15.50 15.676 15.376 12 -24 G6 5.07 4.96 M2.3 0.40 G4 2.14 2.09 W9/16-12 12.30M2.3 0.4 1.90 1.979 1.867 M17 1.0 16.00 16.153 15.917 1/4" -20 G7 5.86 5.73 M2.5 0.45 G5 2.34 2.27 W5/8-11 13.70M2.5 0.45 2.10 2.138 2.013 M18 2.0 16.00 16.210 15.835 5/16" -18 G7 7.38 7.23 M2.6 0.45 G5 2.44 2.37 W3/4 -10 16.70M2.6 0.45 2.20 2.238 2.113 M18 1.5 16.50 16.676 16.376 3/8" -16 G7 8.89 8.72 M3.0 0.50 G5 2.82 2.75 W7/8 -9 19.50M3.0 0.5 2.50 2.599 2.459 M18 1.0 17.00 17.153 16.917 7/16" -14 G8 10.40 10.02 M3.5 0.60 G5 3.27 3.19 W1 -8 22.40M3.5 0.6 2.90 3.010 2.850 M20 2.0 18.00 18.210 17.835 1/2" -13 G8 11.92 11.70 M4.0 0.70 G6 3.72 3.65 W1 -1/8-7 25.00M4.0 0.7 3.30 3.422 3.242 M20 1.5 18.50 18.676 18.376 0- 80UNF G5 1.45 1.39 M5.0 0.80 G6 4.67 4.59 W1 -1/4-7 28.30M4.5 0.75 3.80 3.878 3.688 M20 1.0 19.00 19.153 18.917 1 -72 G5 1.77 1.70 M6.0 1.0 G7 5.59 5.49M5.0 0.8 4.20 4.334 4.134 M22 2.0 20.00 20.210 19.835 2 -64 G4 2.06 1.98 M7.0 1.0 G7 6.59 6.48M6.0 1.0 5.00 5.153 4.917 M22 1.5 20.50 20.676 20.376 3 -56 G4 2.37 2.29 M8.0 1.25 G7 7.49 7.36M7.0 1.0 6.00 6.153 5.917 M22 1.0 21.00 21.153 20.917 4 -48 G5 2.68 2.59 M10 1.50 G7 9.34 9.22M8.0 1.25 6.80 6.912 6.647 M24 2.0 22.00 22.210 21.835 5 -44 G5 2.99 2.90 M10 1.25 G7 9.49 9.35 规格M9.0 1.25 7.80 7.912 7.647 M24 1.5 22.50 22.676 22.376 6 -40 G5 3.29 3.19 M12 1.75 G8 11.23 11.09 2BAM10 1.5 8.50 8.676 8.376 M24 1.0 23.00 23.153 22.917 8 -36 G5 3.91 3.81 M12 1.25 G9 11.50 11.36 3BA4BAM11 1.5 9.50 9.676 9.376 M25 2.0 23.00 23.210 22.835 10 -32 G6 4.53 4.44 5BAM12 1.75 10.30 10.441 10.106 M25 1.5 23.50 23.676 23.376 12 -28 G6 5.13 5.03 规 格 标准径 最 大最 小 6BAM14 2.0 12.00 12.210 11.835 M25 1.0 24.00 24.153 23.917 1/4" -28 G7 6.00 5.91 SM1/16 -80 1.25 1.281 1.211M16 2.0 14.00 14.210 13.835 M26 1.5 24.50 24.676 24.376 5/16" -24 G7 7.53 7.42 SM5/64 -64 1.55 1.593 1.513M18 2.5 15.50 17.744 15.294 M27 2.0 25.00 25.210 24.835 3/8" -24 G7 9.10 8.99 SM3/32 -56 1.9 1.936 1.841M20 2.5 17.50 17.744 17.294 M27 1.5 25.50 25.676 25.376 7/16" -20 G8 10.62 10.48 SM3/32 -100 2.1 2.156 2.081M22 2.5 19.50 19.744 19.294 M27 1.0 26.00 26.153 25.917 1/2" -20 G8 12.20 12.06 SM1/8 -32 2.3 (2.393) (2.233)M24 3.0 21.00 21.252 20.752 M28 2.0 26.00 26.210 25.835 SM1/8 -40 2.5 2.551 2.421PS规格（新规格 Rp)标准径 最大M27 3.0 24.00 24.252 23.752 M28 1.5 26.50 26.676 26.376 SM1/8 -44 2.5 2.605 2.485 1-16 -28 6.5 6.632M30 3.5 26.50 26.771 26.211 M28 1.0 27.00 27.153 26.917 SM1/8 -48 2.6 2.657 2.547 1/8 -28 8.5 8.637M33 3.5 29.50 29.771 29.211 M30 3.0 27.00 27.252 26.752 SM9/64 -32 2.7 （ 2.790） (2.630) 1/4 -19 11.4 11.549M36 4.0 32.00 32.270 31.670 M30 2.0 28.00 28.210 27.835 最 大最 小 SM9/64 -40 2.9 2.948 2.818 3/8 -19 14.9 15.045M39 4.0 35.00 35.270 34.670 M30 1.5 28.50 28.676 28.376 NO.12 -32 4.70 4.826 4.623 SM11/64 -32 3.5 3.584 3.424 1/2 -14 18.6 18.773M30 1.0 29.00 29.153 28.917 1/4 -32 5.60 5.689 5.487 SM11/64 -40 3.7 3.742 3.612 3/4 -14 24.0 24.259M32 2.0 30.00 30.210 29.835 5/16 -32 7.10 7.264 7.087 SM3/16 -24 3.6 3.658 3.498 1 -11 30.2 30.472M32 1.5 30.50 30.676 30.376 3/8 -32 8.70 8.864 8.662 SM3/16 -28 3.8 3.844 3.684 11/4 -11 38.8 39.133最 大最 小 M33 3.0 30.00 30.252 29.752 7/16 -28 10.20 10.337 10.135 SM3/16 -32 3.9 3.980 3.820 11/2 -11 44.7 45.026M1.0 0.2 0.80 0.821 0.783 M33 2.0 31.00 31.210 30.835 1/2 -28 11.80 11.938 11.710 SM3/16 -40 4.05 4.138 4.008 2 -11 56.5 56.837M1.1 0.2 0.90 0.921 0.883 M33 1.5 31.50 31.676 31.376 9/16 -24 13.20 13.385 13.132 SM7/32 -32 4.7 4.774 4.614M1.2 0.2 1.00 1.021 0.983 M35 1.5 33.50 33.676 33.376 5/8 -24 14.80 14.968 14.732 SM15/64 -28 5.0 5.055 4.875M1.4 0.2 1.20 1.221 1.183 M36 3.0 33.00 33.252 32.752 3/4 -20 17.80 17.957 17.679 SM1/4 -24 5.2 5.266 5.086PS规格（新规格 G)标准径 最大M1.6 0.2 1.40 1.421 1.383 M36 2.0 34.00 34.210 33.835 7/8 -20 21.00 21.132 20.854 SM1/4 -28 5.4 5.452 5.272 1/16 -28 6.7 6.843M1.17 0.2 1.50 1.521 1.483 M36 1.5 34.50 34.676 34.376 1 -。