美製特細螺紋 英制螺紋 英制管螺紋 規格 標準徑 3級牙鑽孔徑 規格 標準徑 3級牙鑽孔徑 規格 鑽孔徑 規格 標準徑 最大 最小 最大 最小 硬材 軟材 使用鉸刀 不使用鉸刀 NO.0-80(1.524) 1.25 1.305 1.182 NO.12-32 4.70 4.826 4.623 W1/8-40 2.65 2.60 PT1/16-28 6.10 6.20 6.244 6.384 NO.1-72(1.854) 1.55 1.612 1.474 1/4-32 5.60 5.690 5.486 W5/32-32 3.25 3.20 PT1/8-28 8.10 8.50 8.249 8.388 NO.2-64(2.184) 1.85 1.912 1.756 5/16-32 7.10 7.264 7.087 W3/16-24 3.75 3.70 PT1/4-19 10.70 11.40 10.962 11.174 NO.3-56(2.615) 2.10 2.197 2.025 3*8-32 8.70 8.865 8.661 W1/4-20 5.10 5.00 PT3/8-19 14.20 15.00 14.448 14.658 NO.4-48(2.845) 2.40 2.458 2.271 7/16-28 10.20 10.338 10.135 W5/16-18 6.60 6.50 PT1/2-14 17.60 18.50 17.979 13.263 NO.5-44(3.175) 2.70 2.740 2.551 1/2-28 11.80 11.938 11.709 W3/8-16 8.00 7.90 PT3/4-14 23.00 24.00 23.378 23.663 NO.6-40(3.505) 2.90 3.022 2.820 9/16-24 13.20 13.386 13.132 W7/16-14 9.40 9.30 PT1-11 29.00 30.20 29.459 29.822 NO.8-36(4.166) 3.50 3.606 3.404 5/8-24 14.80 14.986 14.732 W1/2-12 10.70 10.50 PT1-1/4-11 37.50 38.80 37.976 38.339 NO.10-32(4.826) 4.10 4.165 3.963 3/4-20 17.80 17.958 17.678 W9/16-12 12.30 12.00 PT1-1/2-11 43.40 44.80 43.869 44.232 NO.12-28(5.846) 4.60 4.724 4.496 7/8-20 21.00 21.133 20.853 W5/8-11 13.70 13.50 PT2-11 54.90 56.5 55.412 55.844 1/4-28 5.50 5.588 5.360 1-20 24.0 24.308 24.028 W3/4-10 16.70 16.50 美製管螺紋 5/16-24 6.90 7.035 6.782 美製粗螺紋 W7/8-9 19.50 19.30 規格 鑽孔徑 NPS 3/8-24 8.50 8.636 8.382 規格 標準徑 3級牙鑽孔徑 W1-8 22.40 22.00 使用鉸刀 不使用鉸刀 7/16-20 9.90 10.033 9.729 最大 最小 W1-1/8-7 25.00 24.80 1/16-27 6.10 6.25 6.35 1/2-20 11.50 11.607 11.329 NO.1-64(1.854) 1.55 1.582 1.426 W1-1/4-7 28.30 28.00 1/8-27 8.33 8.43 8.74 9/16-18 12.90 13.081 12.751 NO.2-56(2.184) 1.80 1.871 1.695 英制螺紋滾造徑 1/4-18 10.72 11.13 11.13 5/8-18 14.50 14.681 14.351 NO.3-48(2.615) 2.10 2.146 1.941 規格 滾造徑 3/8-18 14.27 14.27 14.68 3/4-16 17.50 17.678 17.323 NO.4-40(2.845) 2.30 2.385 2.157 W3/16-24 4.08-4.05 1/2-14 17.48 17.86 18.26 7/8-14 20.50 20.675 20.270 NO.5-40(3.175) 2.60 2.697 2.487 W1/4-20 5.51-5.46 3/4-14 22.63 23.01 23.42 1-12 23.20 23.571 23.114 NO.6-32(3.505) 2.80 2.895 2.642 W5/16-18 7.01-6.95 1-11-1/2 28.58 18.98 29.36 1-1/8-12 26.50 26.746 26.289 NO.8-32(4.166) 3.40 3.530 3.302 W3/8-16 8.42-8.41 1-1/4-11-1/2 37.31 37.69 38.10 1-1/4-12 29.50 29.921 29.464 NO.10-24(4.826) 3.90 3.962 3.683 W7/16-14 9.92-8.85 1-1/2-11-1/2 43.66 44.04 44.45 1-3/8-12 32.80 33.096 32.639 NO.12-24(5.486) 4.50 4.597 4.344 W1/2-12 11.31-11.24 2-11-1/2 55.58 55.96 56.36 1-1/2-12 36.0 36.270 35.814 1/4-20 5.10 5.257 4.979 W9/16-12 12.89-12.82 絲攻鑽孔徑 公制細螺紋 5/16-18 6.60 6.731 6.401 英制粗螺紋 規格 精度等級 規格 標準徑 2級牙鑽孔徑 3/8-16 8.00 8.153 7.798 規格 滾造徑 RH4.5.6 RH7.8 RH9 最大 最小 7/16-14 9.40 9.550 9.144 NO.5-40 2.70-2.67 M1.0*0.25 0.86 0.88 一 M12*1.0 11.00 11.153 10.917 1/2-13 10.80 11.023 10.592 NO.6-32 2.80-2.91 M1.1*0.25 0.96 0.98 一 M12*0.5 11.5 11.520 11.400 9/16-12 12.20 12.446 11.989 NO.8-32 3.60-3.57 M1.2*0.25 1.06 1.08 一 M14*1.5 12.5 12.676 12.376 5/8-11 13.60 12.868 13.386 NO.10-24 4.09-4.05 M1.4*0.3 1.24 1.25 一 M14*1.0 13.00 13.153 12.917 3/4-10 16.50 16.840 16.307 NO.12-24 4.75-4.70 M1.6*0.35 1.41 1.43 一 M15*1.5 13.50 13.676 13.376 7/8-9 19.50 19.761 19.177 1/4-20 5.50-5.45 M1.7*0.35 1.51 1.53 一 M15*1.0 14.00 14.153 13.917 1-8 22.20 22.606 21.971 5/16-18 6.98-6.93 M1.8*0.35 1.61 1.63 一 M16*1.5 14.50 14.676 14.376 1-1/8-7 25.00 25.349 24.638 3/8-16 8.45-8.40 M2.0*0.4 1.78 1.80 一 M16*1.0 15.00 15.153 14.917 1-1/4-7 28.20 28.524 27.813 7/16-14 9.89-9.83 M2.2*0.45 1.95 1.98 一 M17*1.5 15.50 15.676 15.376 1-3/8-6 30.80 31.115 30.353 1/2-13 11.39-11.32 M2.3*0.4 2.08 2.10 一 M17*1.0 16.00 16.153 15.917 1-1/2-6 34.00 34.290 33.628 9/16-12 12.87-12.80 M2.5*0.45 2.25 2.28 一 M18*2.0 16.00 16.210 15.835 1-3/4-5 39.50 39.827 38.964 英制細螺紋 M2.6*0.45 2.35 2.38 一 M18*1.5 16.50 16.676 16.376 2-4-1/2 45.20 45.593 44.679 規格 滾造徑 M3.0*0.5 2.73 2.75 一 M18*1.0 17.00 17.153 16.917 NO.5-44 2.73-2.70 M3.5*0.6 3.17 3.20 一 M20*2.0 18.00 18.210 17.835 公制螺紋 NO.6-40 3.05-3.02 M4.0*0.7 3.62 3.65 3.69 M20*1.5 18.500 18.676 18.376 規格 滾造徑 NO.8-36 3.66-3.63 M5.0*0.8 4.56 4.60 4.64 M20*1.0 19.00 19.153 18.917 M3*0.5 2.63-2.60 NO.10-32 4.26-4.22 M6.0*1.0 5.45 5.50 5.55 M22*2.0 20.00 20.210 19.835 M3*0.6 2.66-2.63 NO.12-28 4.84-4.80 M7.0*1.0 6.45 6.50 6.55 M22*1.5 20.50 20.676 20.376 M3.5*0.6 3.06-3.03 1/4-28 5.72-5.68 M8.0*1.25 7.31 7.38 7.44 M22*1.0 21.00 21.153 20.917 M4.0*0.7 3.49-3.45 5/16-24 7.20-7.16 M10*1.5 9.18 9.25 9.32 M24*2.0 22.00 22.210 21.835 M4.0*0.75 3.45-3.41 3/8-24 8.79-8.75 M10*1.25 9.31 9.38 9.44 M24*1.5 22.50 22.676 22.376 M4.5*0.75 3.96-3.92 7/16-20 10.23-10.19 M12*1.75 11.04 11.12 11.21 M24*1.0 23.00 23.153 22.917 M5.0*0.8 4.43-4.38 1/2-20 11.82-11.78 M12*1.25 11.31 11.38 11.44 M25*2.0 23.00 23.210 22.835 M5.0*0.9 4.36-4.31 針車用螺紋 英制管螺紋 M25*1.5 23.50 23.676 23.376 M6.0*1.0 5.30-5.25 規格 滾造徑 規格 標準徑 鑽孔徑 M25*1.0 24.00 24.153 23.917 M7.0*1.0 6.30-8.25 SM1/8-40 2.735-2.688 最大 最小 M26*1.5 24.50 24.676 24.376 M8.0*1.0 7.28-7.23 SM1/8-44 2.769-2.722 PS1/16-28 6.50 6.632 6.490 M27*2.0 25.00 25.210 24.835 M8.0*1.25 7.12-7.07 SM9/64-40 3.128-3.083 PS1/8-28 8.50 8.637 8.495 M27*1.5 25.50 25.676 25.376 M9.0*1.25 8.12-8.07 SM11/64-40 3.859-3.805 PS1/4-19 11.40 11.549 11.341 M27*1.0 26.00 26.153 25.917 M10*1.25 9.10-9.04 SM3/16-32 4.205-4.155 PS3/8-19 15.00 15.054 14.846 M28*2.0 26.00 26.210 25.835 M10*1.5 8.97-8.91 SM3/16-28 4.143-4.093 PS1/2-14 18.50 18.773 18.489 M28*1.5 26.50 26.676 26.376 M11*1.5 9.97-8.91 SM7/32-32 5.003-4.955 PS3/4-14 24.00 24.259 23.975 M28*1.0 27.00 27.153 26.917 M12*1.5 10.92-10.87 SM15/64-28 5.325-5.570 PS1-11 30.20 30.471 30.111 M30*3.0 27.00 27.210 26.752 M12*1.75 10.79-10.73 SM1/4-40 5.890-5.735 PS1-1/4-11 38.80 39.132 38.772 M30*2.0 28.00 28.210 27.835 M14*2.0 12.63-12.56 SM1/4-28 5.721-5.366 PS1-1/2-11 44.80 45.025 44.665 M30*1.5 28.50 28.676 28.376 M16*2.0M 14.63-14.56 SM9/32-28 6.508-6.648 PS2-11 56.5 56.836 56.476 M30*1.0 29.00 29.153 28.917 M18*2.5 16.31-16.23 SM11/32-28 8.092-8.432 M32*2.0 30.00 30.210 29.835 M20*2.5 18.31-18.23 SM3/8-28 8.880-8.015 M32*1.5 30.50 30.676 30.376 M22*2.5 20.31-20.23 SM7/16-20 10.466-10.401 M33*3.0 30.00 30.252 29.752 SM7/16-16 10.037-9.967 M33*2.0 31.00 31.210 30.835 SM1/2-20 11.819-11.749 M33*1.5 31.50 31.676 31.376 SM9/16-20 13.400-13.425 M35*1.5 33.50 33.676 33.376 M36*3.0 33.00 33.252 32.752 M36*2.0 34.00 34.210 33.835 M36*1.5 34.50 34.676 34.376