常用紧固件国标汇总.doc.docx

紧固件国标大全文件编号版本/版次A/0表1：未标注尺寸极限偏差（本表用于螺纹长度尺寸L公差查询）基本尺寸公 差 带大于至H12H13H14H15H16H17H18h12h13h14h15h16h17h18Js12(js12)Js13(js13)Js14(js14)Js15(js15)Js16(js16)Js17(js17)Js18(js18)-3+0.100+0.140+0.250+0.400+0.600+1.000+1.400-0.100-0.140-0.250-0.400-0.600-1.00-1.40.050.070.1250.200.300.50.736+0.120+0.180+0.300+0.480+0.750+1.20+1.800-0.120-0.180-0.300-0.480-0.750-1.20-1.80.060.090.150.240.3750.60.9610+0.150+0.220+0.360+0.580+0.900+1.50+2.200-0.150-0.220-0.360-0.580-0.900-1.50-2.20.0750.110.180.290.450.751.11018+0.180+0.270+0.430+0.700+1.100+1.80+2.700-0.180-0.270-0.430-0.700-1.100-1.80-2.70.090.1350.2150.350.550.91.351830+0.210+0.330+0.520+0.840+1.300+2.10+3.300-0.210-0.330-0.520-0.840-1.300-2.10-3.30.1050.1650.260.420.651.051.653050+0.250+0.390+0.620+1.00+1.600+2.50+3.900-0.250-0.390-0.620-1.000-1.600-2.50-3.90.1250.1950.310.500.801.251.955080+0.300+0.460+0.740+1.200+1.900+3.00+4.600-0.300-0.460-0.740-1.200-1.900-3.00-4.60.150.230.370.600.951.52.380120+0.350+0.540+0.870+1.400+2.200+3.50+5.400-0.350-0.540-0.870-1.400-2.200-3.50-5.40.1750.270.4350.701.101.752.7120180+0.400+0.630+1.000+1.600+2.500+4.00+6.300-0.400-0.630-1.000-1.600-2.500-4.00-6.30.200.3150.500.801.252.03.15180250+0.460+0.720+1.150+1.850+2.900+4.60+7.200-0.460-0.720-1.150-1.850-2.900-4.60-7.20.230.360.5750.9251.452.33.6250315+0.520+0.810+1.300+2.100+3.200+5.20+8.100-0.520-0.810-1.300-2.100-3.200-5.20-8.10.260.4050.651.051.602.64.05注：一般情况下，“孔”用公差代号为H、“轴”用公差代号为h、“长度”用公差代号为JS或js表2：GB/T2561-2003普通螺纹极限偏差（公差单位um0.001）（本表用于螺栓直径d尺寸公差查询）基本大径/mm螺距/mm内螺纹小径外螺纹大径＞≤公差带ES上偏差EI下偏差公差带es上偏差si下偏差2.85.60.76G+202+226e-56-1966H+18006f-38-1787G+246+226g-22-1627H+22406h0-1400.86G+224+246e-60-2106H+20006f-38-1887G+274+266g-24-1747H+25006h0-1505.611.216G+262+266e-60-2406H+23606f-40-2207G+326+266g-26-2067H+30006h0-1801.256G+293+286e-63-2756H+26506f-42-2547G+363+286g-28-2407H+33506h0-2121.56G+332+326e-67-3036H+30006f-45-2817G+407+326g-32-2687H+37506h0-23611.222.41.56G+332+326e-67-3036H+30006f-45-2817G+407+326g-32-2687H+37506h0-2361.756G+369+346e-71-3366H+33506f-48-3137G+459+346g-34-29911.222.47H+42506h0-26526G+413+386e-71-3516H+37506f-52-3327G+513+386g-38-3187H+47506h0-2802.256G+492+426e-80-4156H+45006f-58-3937G+602+426g-42-3777H+56006h0-35522.4451.56G+332+326e-67-3036H+30006f-45-2817G+407+326g-32-2687H+37506h0-23626G+413+386e-71-3516H+37506f-52-3327G+513+386g-38-3187H+47506h0-2801. GB/T 70.1-2008内六角圆柱头螺栓t（直径公差执行6g等级公差、长度L公差执行JS15等级公差）dkdsL注： 不锈钢螺栓通常标记为A4-70,A2-70字样（“A”为“奥氏体”结构，“2”为材质，一般为304,7代表抗拉力度不得小于700N/mm*mm）公称直径M1.6M2M2.5M3M4M5M6M8M10M12M14M16M20M24M30M36螺距P0.350.40.450.50.70.81.01.251.51.75222.53.03.54顶帽直径dkMAX光面3.03.804.505.507.08.5010.0013.0016.0018.0021.0024.0030.0036.0045.0054.00MAX滚花3.143.984.685.687.228.7210.2213.2716.2718.2721.3324.3330.3336.3945.3954.46MIN2.863.624.325.326.788.289.7812.7315.7317.7320.6723.6729.6735.6144.6153.54顶帽长度kMAX1.602.02.503.004.005.006.008.0010.0012.0014.0016.0020.0024.0030.0036.00MIN1.461.862.362.863.824.825.77.649.6311.5713.5715.5723.4823.4829.4835.38顶帽内宽度s扳手号1.51.522.53456810121417192227MAX1.581.582.082.583.084.095.146.148.17510.17512.21214.21217.2319.2752。