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1、常用螺栓的标准及规格表国家标准规定了螺纹规格为M3M64,A和B级的六角头螺栓.A级用于D=24和L=10D或L24或L10D或L150(按较小值)的螺栓外六角螺栓尺寸规格(如图)钢结构连接用螺栓性能等级分3.6、4.6、4.8、5.6、6.8、8.8、9.8、10.9、12.9等10余个等级，其中8.8级及以上螺栓材质为低碳合金钢或中碳钢并经热处理（淬火、回火），通称为高强度螺栓，其余通称为普通螺栓。螺栓性能等级标号有两部分数字组成，分别表示螺栓材料的公称抗拉强度值和屈强比值。例如，性能等级4.6级的螺栓，其含义是：1、螺栓材质公称抗拉强度达400MPa级； 2、螺栓材质的屈强比值为0.6；
2、3、螺栓材质的公称屈服强度达4000.6=240MPa级性能等级10.9级高强度螺栓，其材料经过热处理后，能达到：1、螺栓材质公称抗拉强度达1000MPa级； 2、螺栓材质的屈强比值为0.9；3、螺栓材质的公称屈服强度达10000.9=900MPa级螺栓性能等级的含义是国际通用的标准，相同性能等级的螺栓，不管其材料和产地的区别，其性能是相同的，设计上只选用性能等级即可。常 用 螺 丝 规 格 表类别规格牙距成品外径线径类别规格牙数(每英寸)成品外径线径最大最小0.02mm最大最小0.02mm国标粗牙 60M1.40.301.381.341.16英制粗牙 551/8403.1453.032.70
3、M1.70.351.681.611.425/32323.9453.7953.38M2.00.401.981.891.683/16244.7324.5924.00M2.30.402.282.191.981/4206.326.1655.45M2.50.452.482.382.155/16187.9057.7376.94M3.00.502.982.882.603/8169.499.3128.40M3.50.603.473.363.027/161411.0710.889.84M4.00.703.983.833.401/21212.6612.4611.22M4.50.754.474.363.889/16
4、1214.2514.0412.81M5.00.804.984.834.305/81115.8315.6114.27M6.01.005.975.825.18美制粗牙 604#402.8242.6952.37M7.01.006.976.826.185#403.1543.0262.69M8.01.257.967.797.026#323.4843.3332.91M9.01.258.968.798.018#324.1423.9913.57M101.509.969.778.8410#244.84.6184.05M111.5010.9710.739.8412#245.4615.2794.70M121.751
5、1.9511.7610.71/4206.3226.1175.45M142.0013.9513.7412.55/16187.9077.6876.93M162.0015.9515.7414.53/8169.4919.2548.40M182.5017.9517.7116.27/161411.0810.829.83M202.5019.9519.7118.21/21312.6612.3911.32国标细牙 60M4.00.503.973.863.589/161214.2513.9612.80M4.50.504.474.364.075/81115.8315.5314.26M5.00.504.974.864
6、.57美制粗牙 604#482.8772.7132.44M6.00.755.975.855.415#443.1573.0362.73M7.00.756.976.856.416#403.4843.3563.02M8.01.007.977.837.248#364.1454.0063.63M9.01.008.978.838.2410#324.8034.6514.23M101.009.979.829.2312#285.4615.2964.81M101.259.969.819.071/4286.3246.165.68M121.2511.9711.7611.075/16247.9097.7277.16M1
7、21.5011.9611.7910.893/8249.4979.3158.74M141.5013.9613.7912.897/162011.0810.8710.18M161.5015.9615.7914.891/22012.6712.4611.76M181.5017.9517.7316.869/161814.2514.0313.25M201.5019.9519.6518.855/81815.8315.6214.83类别规格牙数或牙数成品外径线径类别规格牙数或牙数成品外径线径最大最小0.02mm最大最小0.02mm国标76 60M3.01.23.02.852.38美制铁板A牙 602#322.2
8、32.131.78M3.51.43.53.352.753#282.562.462.08M4.01.64.03.853.154#242.892.792.28M4.51.84.54.353.475#203.303.202.60M5.025.04.853.906#183.583.452.78M6.02.56.05.854.677#164.013.863.10日制A牙铁铁钉 60M2.0322.102.001.708#154.264.113.30M2.3322.402.301.959#144.554.403.45M2.6282.702.602.1010#124.924.773.75M3.0243.10
9、3.002.4212#115.605.464.30M3.5183.653.502.8314#106.456.295.05M4.0164.154.003.25美制铁板AB牙 602#322.232.081.78M4.5144.654.503.603#282.562.462.05M5.0125.205.004.004#242.892.742.28M6.0106.206.004.855#203.303.202.57M8.098.208.006.486#203.533.432.80日制AB牙铁铁钉 60M2.0402.001.901.657#193.913.783.13M2.3322.302.201.
10、858#184.214.043.38M2.6282.602.502.1010#164.804.653.80M3.0243.002.902.4012#145.405.314.38M3.5203.503.402.831/4146.256.055.18M4.0184.003.853.25墙板钉细 牙606#173.603.402.70M4.5164.504.353.607#164.003.753.03M5.0165.004.854.038#154.304.053.20M6.0146.005.854.9510#124.954.703.72M8.0128.007.856.70墙板钉粗 牙606#93.903.652.65日制木螺丝 60M2.71.22.772.632.107#94.203.902.90M3.11.33.173.032.408#94.604.303.20M3.51.43.603.402.7510#85.304.903.70M3.81.63.903.703.00德标(C/B)钉 40M2.51.12.52.251.80M4.11.84.204.003.20M3.01.353.02.752.10M4.524.604.403.50M3.51.63.53.202.45M4.82.14.924.683.70M4.01.84.03.702.78M5.12.
