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1、1.各部位的尺寸 单位：mm 螺纹的公称直径(d)(2)M3 M4 M5 M6M8M10M12 (M14) 螺栓的螺距(P)0.50.70.811.251.51.752b参考1820222428323640dk最大(基准尺寸)*5.578.51013161821最大*5.687.228.7210.2213.2716.2718.2721.33最小5.326.788.289.7812.7315.7317.7320.67da最大3.64.75.76.89.211.213.715.7ds最大(基准尺寸)34568101214最小2.863.824.825.827.789.7811.7313.73e最小
2、2.873.444.585.726.869.1511.4313.72f最大0.510.600.600.681.021.021.451.45k最大(基准尺寸)34568101214最小2.863.824.825.707.649.6411.5713.57r最小0.10.20.20.250.40.40.60.6s公称(基准尺寸)2.5345681012最小2.523.024.025.026.028.02510.02512.032最大(1)1栏2.5803.0804.0955.1406.1408.17510.17512.2122栏2.5603.0804.0955.0956.0958.11510.115
3、12.142t最小1.322.534567v最大0.30.40.50.60.811.21.4dw最小5.076.538.039.3812.3315.3317.2320.17w最小1.151.41.92.33.344.85.8螺纹的公称直径(d)(2)M16 (M18) M20 (M22) M24 (M27) M30 螺栓的螺距(P)22.52.52.5333.5b参考44485256606672dk最大(基准尺寸)*24273033364045最大*24.3327.3330.3333.3936.3940.3945.39最小23.6726.6729.6732.6135.6139.6144.61d
4、a最大17.720.222.424.426.430.433.4ds最大(基准尺寸)16182022242730最小15.7317.7319.6721.6723.6726.6729.67e最小16.0016.0019.4419.4421.7321.7325.15f最大1.451.872.042.042.042.892.89k最大(基准尺寸)16182022242730最小15.5717.5719.4821.4823.4826.4829.48r最小0.60.60.80.80.811s公称(基准尺寸)14141717191922最小14.03214.03217.05017.05019.06519.0
5、6522.065最大(1)1栏14.21214.21217.23017.23019.27519.27522.2752栏14.14214.142t最小8910111213.515.5v最大1.61.822.22.42.73dw最小23.1725.8728.8731.8134.8138.6143.61w最小6.87.78.69.510.412.113.1注(1)：s(最大)的1栏适用于强度8.8及10.9及性状A2-50、A2-70的内容，2栏适用于强度12.9的内容。但根据双方当事人之间协议，强度12.9的内容也可以适用1栏。螺纹的公称直径M20以上的s(最大)适用于所有的强度及性状内容。注(2
6、)：螺纹的公称直径中带括号的尽量不要使用。 备注：1.头部的侧面带有直纹或网纹参照JIS B 0951(滚花)。此时，dk(最大)为该表中的带*的数值。 此外，需要没有滚花的货时，订货人必须指定。但该dk(最大)为该表中带*的数值。 2.对于螺纹的公称直径建议使用的公称长度()为粗线框内的内容。 如果比虚线位置短的为全螺纹，杆部的不完全螺纹长度约为3P。3.公称长度()比虚线位置长的话，g(最大)及s(最小)根据下式决定。 g(最大)=公称长度()-bs(最小)=g(最大)-5P 2.内六角螺栓的L和s及g 单位：mm 螺纹的公称直径(d)M3M4M5M6M8Ls min.及g max.公称长
7、度minmaxsmingmaxsmingmaxsmingmaxsmingmaxsmingmax54.765.2465.766.2487.718.29109.7110.291211.6512.351615.6516.352019.5820.422524.5825.424.573029.5830.429.5126.510483534.535.511.5159136114039.540.516.520141811165.75124544.545.51923162110.75175049.550.52428212615.75225554.455.6263120.75276059.460.6313625
8、.75326564.465.630.75377069.470.635.75428079.480.645.75529089.390.710099.3100.7110109.3110.7120119.3120.7130129.2130.8140139.2140.8150149.2150.8160159.2160.8180179.2180.8200199.05200.95220219.05220.95240239.05240.95260258.95261.05280278.95281.05300298.95301.05螺纹的公称直径(d)M10M12(M14)M16(M18)Ls min.及g ma
9、x.公称长度minmaxsmingmaxsmingmaxsmingmaxsmingmaxsmingmax54.765.2465.766.2487.718.29109.7110.291211.6512.351615.6516.352019.5820.422524.5825.423029.5830.423534.535.54039.540.54544.545.55.5135049.550.510.5185554.455.615.52310.25196059.460.620.52815.252410206564.465.625.53320.2529152511214.5177069.470.630.
10、53825.2534203016269.5228079.480.640.54835.25443040263619.5329089.390.750.55845.25544050364629.54210099.3100.760.56855.25645060465639.552110109.3110.766.25746070566649.562120119.3120.775.25847080667659.572130129.2130.88090768669.582140139.2140.890100869679.592150149.2150.89610689.5102160159.2160.8106
11、11699.5112180179.2180.8119.5132200199.05200.95220219.05220.95240239.05240.95260258.95261.05280278.95281.05300298.95301.05螺纹的公称直径(d)M20(M22)M24(M27)M30Ls min.及g max.公称长度minmaxsmingmaxsmingmaxsmingmaxsmingmaxsmingmax54.765.2465.766.2487.718.29109.7110.291211.6512.351615.6516.352019.5820.422524.5825.42
12、3029.5830.423534.535.54039.540.54544.545.55049.550.55554.455.66059.460.66564.465.67069.470.68079.480.615.52811.5249089.390.725.53821.534153092410099.3100.735.54831.54425401934110109.3110.745.55841.5543550294420.538120119.3120.755.56851.5644560395430.548130129.2130.865.57861.5745570496440.558140139.2
13、140.875.58871.5846580597450.568150149.2150.885.59881.5947590698460.578160159.2160.895.510891.510485100799470.588180179.2180.8115.5128111.51241051209911490.5108200199.05200.95135.5148131.5144125140119134110.5128220219.05220.95139154130.5148240239.05240.95159174150.5168260258.95261.05179194170.5188280
14、278.95281.05199214190.5208300298.95301.05219234210.5228参考：内六角螺栓的沉头孔及螺栓孔的尺寸单位：mm 螺纹的公称直径(d)M3M4M5M6M8M10M12M14M16M18M20M22M24M27M30ds3456810121416182022242730d3.44.55.56.6911141618202224263033dk5.578.5101316182124273033364045D6.589.5111417.5202326293235394348k3456810121416182022242730H2.73.64.65.57.49.21112.814.516.518.520.522.52528H3.34.45.46.58.610.81315.217.519.521.523.525.52932d22.63.44.35.16.98.610.412.214.215.717.719.721.224.226.7【此课件下载可自行编辑修改，供参考，感谢你的支持！】13 / 13实用精品文档