螺纹下孔径对照表
螺丝攻牙钻孔径和滚造径对照表、最大最小最大最小
M1.0*0.250.75
0.7850.729M12*1.01111.15310.917M1.1*0.250.850.8850.829M12*0.511.511.5211.4M1.2*0.250.95
0.9850.929M14*1.512.512.67612.376M1.4*0.301 1.142 1.075M14*1.01313.15312.917M1.6*0.35 1.25 1.321 1.221M15*1.513.513.67613.376M1.7*0.35 1.35 1.421 1.321M15*1.01414.15313.917M1.8*0.35 1.45 1.521 1.421M16.1.514.514.67614.376M2.0*0.40 1.6 1.679 1.567M16*1.01515.15314.917M2.2*0.45 1.75 1.838 1.713M17*1.515.515.67615.376M2.3*0.40 1.9 1.979 1.867M17*1.01616.15315.917M2.5*0.45 2.1 2.138 2.013M18*2.01616.2115.835M2.6*0.45 2.2 2.238 2.113M18*1.516.516.67616.976M3.0*0.50 2.5 2.599 2.459M18*1.01717.15316.917M3.0*0.60 2.4 2.44 2.28M20*2.01818.2117.835M3.5*0.60 2.9 3.01 2.85M20*1.518.518.67618.376M4.0*0.70 3.3 3.422 3.242M20*1.01919.15318.917M4.0*0.75 3.25 3.326 3.106M22*2.02020.2119.835M4.5*0.75 3.8 3.878 3.688M22*1.520.520.67620.376M5.0*0.80 4.2 4.334 4.134M22*1.02121.15320.917M5.0*0.90 4.1 4.17 3.93M24*2.02222.2121.835M6.0*1.005 5.153 4.917M24*1.522.522.67622.376M7.0*1.006 6.153 5.917M24*1.02323.15322.917M8.0*1.25 6.8 6.912 6.647M25*2.02323.2122.835M9.0*1.257.87.9127.647M25*1.523.523.67623.376M10*1.508.58.6768.376M25*1.02424.15323.917M11*1.509.59.6769.376M26*1.524.524.67624.376M12*1.7510.310.44110.16M27*2.02525.2124.835M14*2.001212.2111.835M27*1.525.525.67625.376M16*2.001414.2113.835M27*1.02626.15325.917M18*2.5015.515.74415.294M28*2.02626.2125.835M20*2.5017.517.74417.294M28*1.526.526.67626.376M22*2.5019.519.74419.294M28*1.02727.15326.917M24*3.002121.25220.752M30*3.02727.15226.752M27*3.002424.25223.752M30*2.02828.2127.835M30*3.5026.5
26.77126.211
M30*1.528.528.67628.376M30*1.02929.15328.917M32*2.03030.2129.835M32*1.530.530.67630.376最大最小M33*1.03030.25229.752M1.0*0.20.80.8210.783M33*2.03131.2130.835M1.1*0.20.90.9210.883M33*1.531.531.67631.376M1.2*0.21 1.0210.983M35*1.533.533.67633.376M1.4*0.2 1.2 1.221 1.183M36*3.03333.25232.752M1.6*0.2 1.4 1.421 1.383M36*2.03434.2133.835M1.7*0.2 1.45 1.5 1.46M36*1.534.5
34.67634.376
M1.8*0.2 1.6 1.621 1.583M2.0*0.25 1.75 1.785 1.729M2.2*0.25 1.95 1.985 1.929M2.3*0.25 2.05 2.61 2.001M2.5*0.35 2.2 2.221 2.121最大最小
M2.6*0.35 2.2 2.246 2.186No 0-80(1.524) 1.25 1.305 1.182
M3.0*0.35 2.7 2.721 2.621No 1-72(1.854) 1.55 1.612 1.474M3.5*0.35 3.2 3.221 3.121No 2-64(2.184) 1.85 1.912 1.756M4.0*0.5 3.5 3.599 3.459No 3-58(2.515) 2.1 2.197 2.025M4.5*0.54 4.099 3.959No 4-48(2.845) 2.4 2.458 2.271M5.0*0.5 4.5 4.599 4.459No 5-44(3.175) 2.7 2.74 2.551M5.5*0.55 5.099 4.959No 6-40(3.506) 2.9 3.022 2.82M6.0*0.75 5.3 5.378 5.188No 8-36(4.166) 3.5 3.606 3.404M6.0*0.5 5.5 5.55 5.4No 10-32(4.826) 4.1 4.165 3.963M7.0*0.75 6.3 6.378 6.188No 12-28(5.846) 4.6 4.724 4.496M7.0*0.5
6.5
6.55 6.4
1/4 - 28
5.5
5.588
5.36
公 制 粗 螺 纹公 制 细 螺 纹规格标准径
2级牙钻孔径规格标准径
2级牙钻孔径美 制 细 螺 纹规格(UNF)标准径
2级牙钻孔径公 制 细 螺 纹规格标准率
2级牙钻孔径