粗牙螺纹底孔.doc
2页
A1.粗牙系列(见表1)表1 单位为毫米公称直径螺距螺纹底孔公差等级小径公差值公称直径螺距螺纹底孔公差等级小径公差值上偏差下偏差上偏差下偏差1.00.250.755H——+0.035——0——4.50.753.75H6H7H+0.138+0.178+0.2240001.10.250.855H——+0.035——0——5.00.804.205H6H7H+0.094+0.134+0.1840001.20.250.955H——+0.035——0——6.01.005.005H6H7H+0.107+0.153+0.2170001.40.301.105H6H—+0.042+0.060—00—7.01.006.005H6H7H+0.107+0.153+0.2170001.60.351.255H6H—+0.051+0.070—00—8.01.256.805H6H7H+0.059+0.112+0.1820001.80.351.455H6H—+0.051+0.070—00—9.01.257.805H6H7H+0.059+0.112+0.1820002.00.401.605H6H—+0.057+0.079—00—10.01.508.55H6H7H+0.112+0.176+0.2510002.20.451.755H6H—+0.063+0.088—00—11.01.509.55H6H7H+0.112+0.176+0.2510002.50.452.055H6H—+0.063+0.088—00—12.01.7510.25H6H7H+0.171+0.241+0.3310003.00.502.505H6H7H+0.071+0.099+0.13900014.02.0012.005H6H7H+0.135+0.210+0.3100003.50.602.905H6H7H+0.075+0.110+0.15000016.02.0014.005H6H7H+0.135+0.210+0.3100004.00.703.305H6H7H+0.082+0.122+0.16600018.02.5015.505H6H7H+0.149+0.244+0.354000表1(续) 单位为毫米公称直径螺距螺纹底孔公差等级小径公差值公称直径螺距螺纹底孔公差等级小径公差值上偏差下偏差上偏差下偏差20.02.5017.505H6H7H+0.149+0.244+0.35400039.04.0035.005H6H7H+0.145+0.270+0.42000022.02.5019.505H6H7H+0.149+0.244+0.35400042.04.5037.505H6H7H+0.159+0.279+0.47900024.03.0021.005H6H7H+0.152+0.252+0.38200045.04.5040.505H6H7H+0.159+0.279+0.47900027.03.0024.005H6H7H+0.152+0.252+0.38200048.05.0043.005H6H7H+0.147+0.297+0.48700030.03.5026.505H6H7H+0.161+0.271+0.42100052.05.0047.005H6H7H+0.147+0.297+0.48700033.03.5029.505H6H7H+0.161+0.271+0.42100056.05.5050.505H6H7H+0.146+0.296+0.49600036.04.0032.005H6H7H+0.145+0.270+0.420000。
