普通螺栓的规格及尺寸表1.普通C级六角头螺栓规格及尺寸表(摘自GB5780-86)，见表1。表1d(mm)公称最大最小1012(14)16(18)20(22)24(27)30(33)3610.5812.714.716.718.720.8422.8424.8427.8430.8434379.4211.313.315.317.319.1621.1623.1626.1629.163235e(mm)最小17.5919.8522.7826.1729.5632.9537.2939.5545.250.8555.3760.79dw(mm)最小14.416.419.22224.927.731.433.23842.746.551.1s(mm)最大161821242730343647465055最小15.5717.5720.1623.1626.1629.16333540454953.8h(mm)最大6.857.959.2510.7512.413.414.915.917.919.7522.0523.55最小5.957.058.359.2510υ正U11.613.114.116.117.6519.9521.45r(mm)最小0.40.60.60.60.60.810.8111c(mm)最大0.60.60.60.80.80.80.80.80.80.80.80.8公称最小最大夹紧长度lg.(最大)4038.743.741.346.3144519155048.751.324205553.556.52925176058.561.5343026226563.566.539353127197068.571.544403632248078.581.5545046423834269088.391.764605652484440362410098.3101.774706662585450464034110108.3111.780767268646056504432120118.3121.790868278647066605442续表130128132908682787470645852461401381421009692888480746862561501481521061029894908478726616015616411611210810410094887618017618413212812412011410810296200195.4204.6148144140134128122116220215.4224.6151147141135129123240235.4224.6167161155149143260254.8265.2181175163163280274.8285.2195189183300294.8305.2215209203注：括号内的规格.尽可能不采用。2.普通A级、B级六角头螺栓规格及尺寸表(摘自GB5782-86)，见表2。表2d(mm)公称最大109.641211.57(l4)13.571615.57(l8)17.572019.48(22)21.482423.48(27)26.483029.48(33)32.383635.38e(mm)最小A级B级17.7717.5920.0319.8523.3522.7826.7526.1730.1429.5633.5332.9337.7237.2939.9839.55—45.2—50.85—55.37—60.79dw(mm)最小A级B级14.614.416.616.419.619.222.52225.324.828.227.731.731.433.633.2—38—42.7—46.6—51.1s(mm)最小A级B级1615.571817.572120.162423.162726.163029.16343336354140464550495553.8h(mm)A级最大最小6.586.227.687.328.988.6210.189.8211.7211.2812.7212.2814.2213.7815.2214.78————————续表h(mm)B级最大最小6.696.117.797.219.098.5110.299.7111.8511.1512.8512.1514.3513.6515.3514.6517.3516.6519.1218.2821.4220.5822.9222.08r(mm)最小0.40.60.60.60.60.810.8l1111c(mm)最大最小0.60.150.60.150.60.150.80.20.80.20.80.20.80.20.80.20.80.20.80.20.80.20.80.2l(mm)夹紧氏度lg(最大)公称A级B级最小最大最小最大4039.540.538.741.3144544.545.543.746.319155049.550.548.761.32420165554.455.653.556.5292521176059.460.658.561.534302622186564.465.663.566.53935312723197069.470.668.571.5444036322824208079.480.678.581.554504642383430269089.390.788.391.86460565248444036302410099.3100.798.3101.87470666258545046403428110109.3110.7108.3111.88076726864605650443832120119.3120.7118.3121.89086827874706660544842130129.2130.812813290868278747064585246140139.2140.8138142100969288848074686256150149.2150.814815210610298949084787266160159.2160.815816211611210810410094888276180179.2180.817818213212812412011410810296200199.1200.9197.7202.3148144140134128122116220219.1220.9217.7222.3151147141135129123240——237.7242.3167161155149143260——257.4262.6175169163280——277.4282.6195189183300——297.4302.6215209203注：1.括号内的规格，尽可能不采用。2.虚线以上部分为A级，虚线以下部分为B级。
