线径最大最小±0.02mmM1.40.031.381.341.161/8M1.70.351.681.611.425/32M2.00.401.981.891.683/16M2.30.402.282.191.981/4M2.50.452.482.382.155/16M3.00.502.982.882.603/8M3.50.603.473.363.027/16M4.00.703.983.833.401/2M4.50.754.474.363.889/16M5.00.804.984.834.305/8M6.01.005.975.825.184#M7.01.006.976.826.185#M8.01.257.967.797.026#M9.01.258.968.798.018#M101.509.969.778.8410#M111.5010.9710.739.8412#M121.7511.9511.7610.71/4M142.0013.9513.7412.51/3M162.0015.9515.7414.53/8M182.5017.9517.7116.24/9M202.5019.9519.7118.21/2M4.00.53.973.863.584/7M4.50.54.474.364.075/8M5.00.54.974.864.574#M6.00.755.975.855.415#M7.00.756.976.856.416#M8.01.007.977.837.248#M9.01.008.978.838.2410#M101.009.979.829.2312#M101.259.969.819.071/4M121.2511.9711.7611.075/16M121.5011.9611.7910.893/8M141.5013.9613.7912.897/16M161.5015.9615.7914.891/2M181.5017.9517.7816.869/16M201.5019.9519.6518.855/8
牙距线径或牙数最大最小±0.02mmM3.01.23.02.852.382#常用机械螺丝规格表
类别
常用自攻螺丝规格表规格类别规格牙距mm成品外径
英制粗牙55°
国标粗牙60°
美制粗牙60°
美制细牙60°国标细牙60°
规格
60°
A牙60°类别规格成品外径类别M3.51.43.53.352.753#M4.01.64.03.853.154#M4.51.84.54.353.475#M5.02.05.04.853.906#M6.02.56.05.854.677#M2.0322.102.001.708#M2.3322.402.301.959#M2.6282.702.602.1010#M3.0243.103.002.4212#M3.5183.653.502.8314#M4.0164.154.003.252#M4.5144.654.503.603#M5.0125.205.004.004#M6.0106.206.004.855#M8.098.208.006.486#M2.0402.001.901.657#M2.3322.302.201.858#M2.6282.602.502.1010#M3.0243.002.902.4012#M3.5203.503.402.831/4#M4.0184.003.853.256#M4.5164.504.353.607#M5.0165.004.854.038#M6.0146.005.854.9510#M8.0128.007.856.706#M2.71.22.772.632.107#M3.11.33.173.032.408#M3.51.43.603.402.7510#M3.81.63.903.703.00M2.5M4.11.84.204.003.20M3.0M4.52.04.604.403.50M3.5M4.82.14.924.683.70M4.0M5.12.25.224.983.95M4.5M5.52.45.625.384.30M5.0M5.82.65.925.684.45M6.0国标7660°
日制A牙铁板钉60°美制铁板A牙60°
日制AB牙铁板钉60°
日制木螺丝60°德标薄板（C/B）钉40°墙板钉粗牙60°墙板钉细牙60°美制铁板AB牙60°
牙距线径每英寸最大最小±0.02mm403.1453.0302.70323.9453.7953.38244.7324.5924.00206.3206.1655.45187.9057.7376.94169.4909.3128.401411.0710.889.841212.6612.4611.221214.2514.0412.811115.8315.6114.27402.8242.6952.37403.1543.0262.69323.4843.3332.91324.1423.9913.57244.84.6184.05245.4615.2794.70206.3226.1175.45187.9077.6876.93169.4919.2548.401411.0810.829.831312.6612.3911.321214.2513.9612.801115.8315.5314.20482.8272.7132.44443.1573.0362.73403.4843.3563.02364.1454.0063.63324.8034.6514.23285.4615.2964.81286.3246.165.68247.9097.7277.16249.4979.3158.742011.0810.8710.182012.6712.4611.761814.2514.0313.251815.8415.6214.83
牙距线径或牙数最大最小±0.02mm322.232.131.78成品外径
成品外径282.562.462.08242.892.792.28203.303.202.60183.583.452.78164.013.863.10154.264.113.30144.554.403.45124.924.773.75115.605.464.30106.456.295.05322.232.081.78282.562.462.05242.892.742.28203.303.202.57203.533.432.80193.913.783.13184.214.043.38164.804.653.80145.465.314.38146.256.055.18173.603.402.70164.003.753.03154.304.053.20124.954.703.7293.903.652.6594.203.902.9094.604.303.2085.304.903.701.12.52.251.801.353.02.752.101.63.53.202.451.84.03.702.782.04.54.203.102.25.04.703.452.66.05.704.20
