内六角螺栓和螺母尺寸表

1、六角螺母一C级(GB/T41-2000 )六角薄螺母(GB/T6172.1-2000)I型六角螺母一A和B级(GB/T6170-2000)s标记示例螺纹规格D二M12、性能级别为5级、不经表面处理、C级的六角螺母： 螺母 GB/T41-2000 M12螺纹规格D二M12、性能级别为8级、不经表面处理、A级的I型六角螺母： 螺母 GB/T6170-2000M12mm螺纹规格DM3M4M5M6M8Ml0Ml2Ml6M20M24M30M36M42eGB/T418.6310.8914.2017.5919.8526.1732.9539.5550.8560.7972.07GB/T61706.017.668

2、.7911.0514.3817.7720.0326.7532.9539.5550.8560.7972.02GB/T6172.16.017.668.7911.0514.3817.7720.0326.7532.9539.5550.8560.7972.02SGB/T41810131618243036465565GB/T61705.57810131618243036465565GB/T6172.15.57810131618243036465565mGB/T415.66.17.99.512.215.918.722.325.431.534.9GB/T61702.43.24.75.26.88.410.814

3、.81821.525.63134GB/T6172.11.82.22.73.245681012151821注：A级用于D<16z B级用于D>161 各部位的尺寸遏畐鑒龜X一畚 養«|老*寻"*(書¥(*«sCMo<Nco rn 氏卜LOrn£in T<rn9 oquS9 m00CN00r<卜 cnCMrirH£CMri9 Oooine mvoAVO<v)inCM r1 r1O00o>5 r-H6 t-HO3寸 O00coZm CN00 ecoCN cnrnNCN60000 卜900O r100

4、3 r-寸 o9詈r-H窝o<N CM o00&00V900 in<Ninoo9 o9oinmCM oSin W00inod£ odoo CM od卜 L/Sincm oo 守oo m 守s oin守CM寸V卜 o吕卜CM CN 卜ooo卜 寸寸CM oo &尊cos o寸s&CN ommZin00inA009品A9 rnro900z00 Nf-H in Ocoszr1inZI111I1I1首Fi11首Fi11qP8s paJk.s最小2.523.024.025.026.028.02510.02512.032最大（1）1栏2.5803.0804.0

5、955.1406.1408.17510.17512.2122栏2.5603.0804.0955.0956.0958.11510.11512.142t最小1.322.534567V最大030.40.50.60.811.21.4dw最小5.076.53&039.3812.3315.3317.2320.17w最小1.151.41.92.33.344.85.8螺纹的公称直径（d）M16(M18)M20(M22)M24(M27)M30螺栓的螺距（P）22.52.52.5333.5b44485256606672最大（基准尺寸r24273033364045dk最大”24.3327.3330.3333

6、.3936.3940.3945.39最小23.6726.6729.6732.6135.6139.6144.61da最大17.720.222.424.426.430.433.4dl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

7、（基准尺寸）14141717191922最小14.03214.03217.05017.05019.06519.06522.065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6.87.7&69.510.412.113.1注：s（最大）的1栏适用于强度8.8及10.9及性状A2-50. A2-70的容，2栏适用于强度12.9的岳 但根据双方当事人之间

8、协议，强度12.9的 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容。注：螺纹的公称直径中帯括号的尽重不要使用。备注：1头部的侧面芾有直纹或网纹掺照JIS B 0951（滚花儿 此时，dk（最大）为该表中的帯的数直此外f需要没有滚花的货时，订货人必须指定.但该dk（最大）为该表中希的数值。2 对于螺纹的公称直径建议使用的公称长度（。为粗线框的容.如果f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（0比虚线位置长的话,0（最大）及fs（最小）根据下式决走。3（最大）二公称长度（0-bfs（最小）Ng（最大）5PI 2六角螺性的L和fs及

9、3;g单位：mm螺纹的公称直径（d）M3M4M5M6M8Lts minJRtg max.公称长度minmaxts mintg maxtsming maxts ming maxtsming maxts ming max54.765.2465.766.2487.71&29109.7110.291211.6512.351615.6516.352019.5820.422524.5825.424.573029.5830.429.5126.510483534.535.511.5159136114039.540.516.520141811165.75124544.545.51923162110.75

10、175049.550.52428212615.75225554.455.6263120.75276059.460.6313625.75326564.465.630.75377069.470.635.75428079.480.645.75529089.390.710099.3100.7110109.3110.7120119.3120.7130129.2130.8140.2140.8150149.2150.8160159.2160.8180179.2180.8200.05200.95220219.05220.95240239.05240.95260258.95261.05280278.95281.

11、05300298.95301.05螺纹的公称直径(d)M10M12(M14)M16(M18)LIs minRtg max.公称长度minmaxtsminfg maxts mintgmaxtsming maxIsmin(9maxts mingmax54.765.2465.766.2487.718.29109.7110.291211.6512.351615.6516352019.5820.422524.5825.423029.5830.423534.535.54039.540.54544.545.55.5135049.550.510.5185554.455.615.52310.25196059.4

12、60.620.52815.252410206564.465.625.53320.2529152511214.5177069.470.630.53825.2534203016269.5228079.480.640.54835.25443040263619.5329089390750.55845.25544050364629.542100993100.760.56855.25645060465639.552110109.3110.766.25746070566649.5621201193120.775.25847080667659.572130129.2130.88090768669.582140

13、.2140.890100869679.592150149.2150.89610689.5102160159.2160.810611699.5112180179.2180.8119.5132200.05200.95220219.05220.95240239.05240.95260258.95261.05280278.95281.05300298.95301.05螺纹的公称直径(d)M20(M22)M24(M27)M30LIs minjfttg max.公称长度minmaxIs minfg maxIs min(g max(s minfg maxIsming maxIs ming max54.765

14、.2465.766.2487.718.29109.7110.291211.6512.351615.6516.352019.5820.422524.5825.423029.5830.423534.535.54039.540.54544.545.55049.550.55554.455.66059.460.66564.465.67069.470.68079.480.615.52811.5249089.390.725.53821.5341530924100993100.735.54831.54425401934110109.3110.745.55841.5543550294420.5381201193

15、120.755.56851.5644560395430.548130129.2130.865.57861.5745570496440.558140.2140.875.58871.5846580597450.568150149.2150.885.59881.5947590698460.578160159.2160.895.510891.510485100799470.588180179.2180.8115.5128111.51241051209911490.5108200.05200.95.5148131.5144125140119134110.5128220219.05220.95154130.5148240239.05240.95159174150.5168260258.95261.05179170.5188280278.95281.05214190.5208300298.95301.05219234210.5228参考：六角螺栓的沉头孔及螺性孔的尺寸单位：mm螺纹 的公称 直径(d)M3M4M5M6M8M10M12M14M16M18M20M22M24M27M30ds3456810121416182022242730dtr3.44.55.56.6911141618202224263033dk5.5