內六角螺栓和螺母尺寸表

1、六角螺母一C級 I 型六角螺母一A和B級六角薄螺母(GB/T41-2000)(GB/T6170-2000)(GB/T6172.1-2000)標記示例螺紋規(guī)格D=M12性能級別為5級、不經表面處理、C級的六角螺母：螺母 GB/T41-2000 M12螺紋規(guī)格D=M12性能級別為8級、不經表面處理、A級的I型六角螺母：螺母 GB/T6170-2000 M12mm注：A級用于D< 16, B級用于D> 16螺紋規(guī)格DM3M4M5M6M8M10M12M16M20M24M30M36M42GB/T4110.814.217.519.826.132.9r 39.550.860.772.08.639

2、095755597GB/T617011.014.317.720.026.732.939.550.860.772.0e6.017.668.795873555592GB/T6172.111.014.3 :17.720.026.732.9P 39.550.860.772.06.017.668.795873555592GB/T41810131618243036465565sGB/T61705.57810131618243036465565GB/T6172.15.57810131618243036465565GB/T415.66.17.99.512.215.918.722.325.431.534.9mG

3、B/T61702.43.24.75.26.88.410.814.81821.525.63134GB/T6172.11.82.22.73.2456810121518211.各部位的尺寸單位：mm螺紋的公稱直徑（d）M3M4M5M6M8M10M12(M14)螺栓的螺距（P）0.50.70.811.251.51.752b參考1820222428323640dk最大（基準尺寸）*5.578.51013161821最大"5.687.228.7210.2213.2716.2718.2721.33最小5.326.788.289.7812.7315.7317.7320.673.64.75.76.89

4、.211.213.715.7da最大34568101214ds最大（基準尺寸）最小2.863.824.825.827.789.7811.7313.732.873.444.585.726.869.1511.4313.72e最小f最大0.510.600.600.681.021.021.451.45k最大（基準尺寸）34568101214最小2.863.824.825.707.649.6411.5713.570.10.20.20.250.40.40.60.6r最小s公稱（基準尺寸）2.5345681012俺小匸卑據附表的饑最小2.523.024.025.026.028.02510.02512.032

5、最大1欄2.5803.0804.0955.1406.1408.17510.17512.2122欄2.5603.0804.0955.0956.0958.11510.11512.142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螺紋的公稱直徑（d）M16(M18)M20(M22)M24(M27)M30螺栓的螺距（P）22.52.52.5333.5b參考44485256606672dk最大（基準尺寸）*24273033364045最大2

6、4.3327.3330.3333.3936.3940.3945.39最小23.6726.6729.6732.6135.6139.6144.61da最大17.720.222.424.426.430.433.4ds最大（基準尺寸）16182022242730最小15.7317.7319.6721.6723.6726.6729.67p最小16.0016.0019.4419.4421.7321.7325.15最大1.451.872.042.042.042.892.89k最大（基準尺寸）16182022242730最小15.5717.5719.4821.4823.4826.4829.48r最小0.60.

7、60.80.80.811s公稱（基準尺寸）14141717191922最小14.03214.03217.05017.05019.06519.06522.065最大（1）1欄14.21214.21217.23017.23019.27519.27522.2752欄14.14214.142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：s（最大）的1欄適用于強度8.8及10.9及性狀A2-50、A2-70的容，2欄適用于強度12.9的容。

8、但根據雙方當事人之間協(xié)議，強度12.9的容也可以適用1欄。螺紋的公稱直徑 M20以上的s（最大）適用于所有的強度及性狀容。注（2）:螺紋的公稱直徑中帶括號的盡量不要使用。備注：1.頭部的側面帶有直紋或網紋參照JIS B 0951（滾花）。此時，dk（最大）為該表中的帶”的數值。此外，需要沒有滾花的貨時，訂貨人必須指定。但該dk（最大）為該表中帶*的數值。2. 對于螺紋的公稱直徑建議使用的公稱長度（？）為粗線框的容。如果？比虛線位置短的為全螺紋，桿部的不完全螺紋長度約為3P。3. 公稱長度（？）比虛線位置長的話，？ g（最大）及？ s（最?。└鶕率經Q定。? g（最大）=公稱長度（? ）-b?

9、s（最?。?? g（最大）-5P2.六角螺栓的L和？ s及？ g單位：mm螺紋的公稱直徑（d）M3M4M5M6M8L? s min.及? g max.公稱長度minmax? s min? gmax? s min? gmax? smin? gmax? s min? gmax? smin? gmax54.765.2465.766.2487.718.29109.7110.291211.6512.351615.6516.352019.5820.422524.5825.424.573029.5830.429.5126.510483534.535.511.5159136114039.540.516.520

10、141811165.75124544.545.51923162110.75175049.550.52428212615.75225554.455.6263120.75276059.460.6313625.75326564.465.630.75377069.470.635.75428079.480.645.75529089.390.710099.3100.7110109.3110.7120119.3120.7130129.2130.8140139.2140.8150149.2150.8160159.2160.8180179.2180.8200199.05200.95220219.05220.95

11、240239.05240.95260258.95261.05280278.95281.05300298.95301.05螺紋的公稱直徑（d）M10M12(M14)M16(M18)L? s min.及? g max.公稱長度minmax? s min? gmax? s min? gmax? smin? gmax? s min? gmax? smin? gmax54.765.2465.766.2487.718.29109.7110.291211.6512.351615.6516.352019.5820.422524.5825.423029.5830.423534.535.54039.540.545

12、44.545.55.5135049.550.510.5185554.455.615.52310.25196059.460.620.52815.252410206564.465.625.53320.2529152511214.5177069.470.630.53825.2534203016269.5228079.480.640.54835.25443040263619.5329089.390.750.55845.25544050364629.54210099.3100.760.56855.25645060465639.552110109.3110.766.25746070566649.56212

13、0119.3120.775.25847080667659.572130129.2130.88090768669.582140139.2140.890100869679.592150149.2150.89610689.5102160159.2160.810611699.5112180179.2180.8119.5132200199.05200.95220219.05220.95240239.05240.95260258.95261.05280278.95281.05300298.95301.05螺紋的公稱直徑（d）M20(M22)M24(M27)M30L? s min.及? g max.公稱長度

14、minmax? s min? gmax? s min? gmax? s min? gmax? s min? gmax? s min? gmax54.765.2465.766.2487.718.29109.7110.291211.6512.351615.6516.352019.5820.422524.5825.423029.5830.423534.535.54039.540.54544.545.55049.550.55554.455.66059.460.66564.465.67069.470.68079.480.615.52811.5249089.390.725.53821.5341530924

15、10099.3100.735.54831.54425401934110109.3110.745.55841.5543550294420.538120119.3120.755.56851.5644560395430.548130129.2130.865.57861.5745570496440.558140139.2140.875.58871.5846580597450.568150149.2150.885.59881.5947590698460.578160159.2160.895.510891.510485100799470.588180179.2180.8115.5128111.512410

16、51209911490.5108200199.05200.95135.5148131.5144125140119134110.5128220219.05220.95139154130.5148240239.05240.95159174150.5168260258.95261.05179194170.5188280278.95281.05199214190.5208300298.95301.05219234210.5228參考：六角螺栓的沉頭孔及螺栓孔的尺寸單位：mm螺紋的公稱 直徑(d)M3M4M5M6M8M10M12M14M16M18M20M22M24M27M30ds3456810121416182022242730d?'3.44.55.56.6911141618202224263033dk5.578.510131