常用螺丝规格

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1、电镀产品种类蓝锌白锌五彩黑锌+防锈油黑锌+Lacquer涂装镀镍镀红铜镀黄铜镀锡镀铬镀古铜不锈钢清洗■基本头型P头B头V头R头T头O头C头F头I头喇叭头H头IP头■基本槽型十字槽十一槽一字槽梅花槽内六角槽米字槽精密机械牙小螺丝*种类1.精密小螺丝(1.4<=d<2.6)2.特殊极微小螺丝(d<1.4).*头型*螺丝公差1.精密小螺丝(1.4<=d<2.6)公称直径螺距外径有效径最小最大最小最大M1.40.31.3201.4001.1351.205M1.60.351.4961.6001.2911.373M1.70.351.6101.7001.3931.473M2.00.41

2、.8902.0001.6601.740M2.30.42.1902.3001.9602.040M2.50.452.3802.5002.1182.208M2.60.452.4802.6002.2182.3082.特殊极微小螺丝(d<1.4)公称直径螺距外径长度标准尺寸公差范围公差0.60.150.600~0.050.8~60~0.150.70.1750.700.8~70.80.20.800.8~80.90.2250.900.8~91.00.251.000.8~101.20.251.200~0.061.5~1.00~0.2精密自攻牙小螺丝1.SType公称直径螺距外径先端部推拨

3、长度CDd1E最小最大最小最大最小最大最小最大1.40.31.371.431.311.370.811.010.601.101.60.351.571.631.501.560.931.150.751.251.70.351.671.731.601.661.051.250.751.252.00.41.962.041.881.961.281.481.001.502.50.452.472.552.382.461.661.831.752.252.BType公称直径螺距外径先端部推拨长度CDd1E最小最大最小最大最小最大最小最大1.40.451.371.431.311.370.720.9

4、20.601.101.60.51.571.631.501.560.8461.0460.751.251.70.51.671.731.601.660.9461.1460.751.252.00.6351.962.041.881.961.161.361.001.502.50.92.462.542.372.451.551.751.752.253.PType公称直径外径CD最小最大最小最大1.4(1.40)(1.46)(1.34)(1.40)1.7(1.70)(1.77)(1.63)(1.70)2.02.022.121.942.042.52.532.632.442.544.Power

5、-Lock公称直径外径CD最小最大最小最大1.40.31.521.361.461.60.351.721.551.651.70.351.821.651.752.00.42.151.972.075.PSType(DifferentFromPType)公称直径外径CD最小最大最小最大1.4(1.40)(1.46)(1.34)(1.40)1.7(1.70)(1.77)(1.63)(1.70)2.02.022.121.942.042.52.532.632.442.54B型螺丝特点：标准三角牙螺丝，是最符合常规铁板或塑料锁附的螺丝。*图形*螺纹公差公称直径牙数外　径先端部先端部长度C

6、mmDmmC'mm最大最小最大最小最大最小最大最小2402.041.961.961.881.461.261.61.22.3322.342.262.262.181.761.562.01.52.6282.642.562.552.471.941.742.31.83243.052.952.952.852.252.052.72.13.5203.553.453.463.342.652.453.22.54184.053.953.913.813.002.803.62.85165.064.944.904.783.743.444.03.16146.085.925.885.724.524.12

7、4.63.68128.107.907.857.656.005.505.34.2*配合孔径（材质－钢）0.60.81.01.21.62.02.63.221.551.61.61.61.651.651.7 2.31.91.01.91.951.951.952.02.02.62.152.152.22.22.22.252.252.332.652.652.652.72.72.72.72.753.53.053.053.053.13.13.13.153.1543.63.63.63.63.653.653.653.655 4.54.54.54.55