标准公制螺纹基本牙型和公式解析

标准公制螺纹基本牙型和公式 公制螺纹粗牙公制螺纹细牙 公称尺寸 m 螺距p 外径 d=d 节径 d2=d2 内径 d1=d1 公称尺寸 m 螺距p 外径 d=d 节径 d2=d2 内径 d1=d1 m10.251.0000.8380.729 m1.20.251.2001.0380.929 m1.40.31.4001.2051.075 m20.42.0001.7401.567 m30.53.0002.6752.459m30.353.0002.7732.621 m3.50.63.5003.1102.850m3.50.353.5003.2733.121 m40.704.0003.5453.242m40.54.0003.6753.459 m4.50.754.5004.

和6319标准公制螺纹基本牙型和公式 公制螺纹粗牙公制螺纹细牙 公称尺寸 m 螺距p 外径 d=d 节径 d2=d2 内径 d1=d1 公称尺寸 m 螺距p 外径 d=d 节径 d2=d2 内径 d1=d1 m10.251.0000.8380.729 m1.20.251.2001.0380.929 m1.40.31.4001.2051.075 m20.42.0001.7401.567 m30.53.0002.6752.459m30.353.0002.7732.621 m3.50.63.5003.1102.850m3.50.353.5003.2733.121 m40.704.0003.5453.242m40.54.0003.6753.459 m4.50.754

用螺纹密封的管螺纹基本牙型和基本尺寸

. ;. 非螺纹密封的管螺纹的基本牙型和基本尺寸(gb/t7307-1987)(mm) p＝25.4／n h＝0.960491p h＝0.640327pd2＝d2＝d-0.640327p r＝0.137329pd1＝d1＝d-1.280654p h／6＝0.160082p 尺寸代号 每25.4mm 内的牙数n 螺距p牙高h 圆弧半径 r≈ 基本直径 大径中径小径 1／16280.9070.5810.1257.7237.1426.561 1／8280.9070.5810.1259.7289.1478.566 1／4191.3370.8560.18413.15712.30111.445 3／8191.3370.8560.18416.

t192－1981、gb/t193－1981、gb/t196－1981) 1-0917:04:36]浏览人次：[84] www.***.***马棚网 普通螺纹基本牙型及其基本尺寸(gb/t192－1981、gb/t193－1981、gb/t196－1981) 第一系列第二系列第三系列 0.25*0.8380.729 0.20.870.738 0.25*0.9380.829 0.20.970.883 0.25*1.0380.929 0.21.070.983 0.3*1.2051.075 0.21.271.183 0.35*1.3731.221 0.21.471.383 0.35*1.5731.421 0.21.671.583 0.4*1.741.567 0.251.8381.729 0.

公制外螺纹（粗牙） 公称直径× 螺距 大径中径小径螺胚直径 最大最小最大最小最大最小最大 m3×0.52.9802.8742.6552.5802.4392.602.63 m4×0.73.9783.8383.5233.4333.2203.473.50 m5×0.84.9764.8264.4564.3614.1104.404.43 m6×15.9745.7945.3245.2124.8915.265.29 m8×1.257.9727.7607.1607.0426.6197.107.14 m10×1.59.9689.7328.9948.8628.3448.928.96 m12×1.7511.96611.70110.82910.67910.07210.7510.79 m

公制外螺纹（6g）常用规格极限尺寸表（粗牙） 公称直径×螺距精度大径中径小径螺胚直 径 最大最小最大最小最大最小最大 m3×0.56g2.9802.8742.6552.5802.4392.602.63 m4×0.73.9783.8383.5233.4333.2203.473.50 m5×0.84.9764.8264.4564.3614.1104.404.43 m6×15.9745.7945.3245.2124.8915.265.29 m8×1.257.9727.7607.1607.0426.6197.107.14 m10×1.59.9689.7328.9948.8628.3448.928.96 m12×1.7511.96611.70110.82910.679

ps1/16-286.56.6326.49pt1/16-286.16.26.2446.384 ps1/8-288.58.6378.495pt1/8-288.18.28.2498.388 ps1/4-1911.411.54911.341pt1/4-1910.71110.96211.174 ps3/8-191515.05414.846pt3/8-1914.214.514.44814.658 ps1/2-1418.518.77318.489pt1/2-1417.61817.97918.263 ps3/4-142424.25923.975pt3/4-142323.523.37823.663 ps1-1130.230.47130.111pt1-112929.529

公称直径d螺距t中径d2内径d1工作高度h圆角半径r 10.250.8380.7290.1350.036 1.10.250.9380.8290.1350.036 1.20.251.0380.920.1350.036 1.40.31.2051.0750.1620.043 1.60.351.3731.2210.1890.051 1.80.351.5731.4210.1890.051 20.41.741.5670.2170.058 2.20.451.9081.7130.2440.065 2.50.452.2082.0130.2440.065 30.52.6752.4590.2710.072 3.50.63.112.850.3250.087 40.73.5453.2420

公制粗牙螺纹的螺栓，螺母(ｍｍ) 公称直径螺距 外螺纹（粗）螺杆头螺母 内径小径cbhh1h2 m10.250.770.729 m1.20.250.97 m1.60.351.31.2211.3 m20.41.651.5671.61.2 m2.50.452.112.0132 m30.52.572.4596.45.522.41.8 m40.73.363.2428.172.83.22.4 m50.84.264.1349.283.54.73.2 m615.084.91711.51045.23.6 m81.256.856.64715135.56.85 m101.58.548.17619.617(16) 19(18) 78.46 m121.751

公制细螺纹公制细螺纹 规格标准径 2级螺纹内径 规格标准径 1级-2级螺纹内径 上限下限上限下限 m1*0.200.80.8210.783m17*1.01616.15315.376 m1.1*0.200.90.9210.883m18*2.01616.2115.835 m1.2*0.2011.0210.983m18*1.5016.516.67616.376 m1.4*0.201.21.2211.183m18*1.01717.15316.917 m1.6*0.201.41.4211.383m20*2.01818.2117.835 *m1.7*0.201.451.51.46m20*1.5018.518.67618.376 m1.8*0.201.61.6211.583m20*1

普通螺纹标准规格表 普通螺纹基本尺寸（mm）普通螺纹基本尺寸（mm） 公称 直径 螺距 p 中径小径 公称 直径 螺距 p 中径小径 20.41.7401.56724322.05120.752 2.50.452.2082.013(27)225.70124.835 30.52.6752.459(27)325.05123.752 40.73.5453.24230228.70127.835 50.84.4804.134303.527.72726.211 615.3504.917(33)231.70130.835 817.3506.917(33)3.530.72729.211 81.257.1886.64736334.05132.752 1019.350

普通螺纹标准规格表 普通螺纹基本尺寸（mm）普通螺纹基本尺寸（mm） 公称直 径 螺距p中径小径公称直 径 螺距p中径小径 10.250.8380.729221.521.02620.376 1.20.251.0380.929222.520.37619.294 1.40.31.2051.07524222.70121.835 1.60.351.3731.22124322.05120.752 20.41.7401.56727225.70124.835 2.50.452.2082.01327325.05123.752 30.52.6752.45930228.70127.835 3.50.63.1102.850303.527.72726.211 40.

制定单位 制订日期 发行日期 螺纹标准参数文件编号fk-03-pc-07页码8of9版次a/1 最小值最大值中间值最大值 13.8383.9783.9083.22 24.8264.9764.9014.11 35.7945.9745.8844.891 47.7947.9747.8846.891 57.767.9727.8666.619 69.7949.9749.8848.891 79.769.9729.8668.619 89.7329.9689.858.344 911.79411.97411.88410.891 1011.73211.96811.8510.344 1111.70111.96611.833510.072 1213.79413.97413.88412.891 13

第一章紧固连接螺纹 一、米制普通螺纹（m） 米制普通螺纹是一种使用最多的一般用途机械紧固螺纹，它对整个机械制造领域有 着重大的影响，其标准是重要的机械基础标准之一。iso、工业发达国家以及我国对米制 普通螺纹标准都非常重视，制定有自己的国家标准，见表1-1。 表1-1iso和部分国家的米制普通螺纹标准 螺纹 要数 国际 iso 中国 gb 德国 din 法国 nf 日本 jis 俄罗斯 gost 美国 asme 英国 bs 牙 型 iso68-1 :1998 gb/t192 —2003 diniso68-1 :1999 din13-19 :1999 nfiso68-1 :1999 jisb0205-1 —2001 gost 9150 —2002 asme b1.13m —2005 bsiso68-1

规格标准径最大最小规格标准径最大最小 m1.0*0.250.750.7850.729m1.0*0.20.80.8210.783 m1.1*0.250.850.8850.829m1.1*0.20.90.9210.883 m1.2*0.250.950.9850.929m1.2*0.211.0210.983 m1.4*0.31.11.1421.075m1.4*0.21.21.2211.183 m1.6*0.351.251.3211.221m1.6*0.21.41.4211.383 m1.7*0.351.351.4211.321m1.7*0.21.451.51.46 m1.8*0.351.451.5211.421m1.8*0.21.61.6211.583 m2.0*0.41.61.6

公制粗螺纹标 准 公制细螺纹 标准 规格标准径最大最小规格 标准 径 最大最小规格 标准 径 最大最小 m1.0*0.250.750.7850.729m1.0*0.20.80.8210.783m15*1.01414.35313.917 m1.1*0.250.850.8850.829m1.1*0.20.90.9210.883m16*1.514.514.67614.376 m1.2*0.250.950.9850.929m1.2*0.211.0210.983m16*1.01515.15314.917 m1.4*0.31.11.1421.075m1.4*0.21.21.2211.183m17*1.515.515.67615.376 m1.6*0.351.251.3211.221m1

普通螺纹标准规格表 普通螺纹基本尺寸（mm）普通螺纹基本尺寸（mm） 公称直 径 螺距p中径小径公称直 径 螺距p中径小径 10.250.8380.729221.5（细牙）21.02620.376 1.20.251.0380.929222.520.37619.294 1.40.31.2051.075242（细牙）22.70121.835 1.60.351.3731.22124322.05120.752 20.41.7401.567272（细牙）25.70124.835 2.50.452.2082.01327325.05123.752 30.52.6752.459302（细牙）28.70127.835 3.50.63.1102.850303.527.

标准等效国际标准名称 gb/t5780iso4016六角头螺栓c级 hexagonheadbolts-productgradec gb/t5781iso4018 六角头螺栓全螺纹c级 hexagonheadbolts-fullthread-productgradec gb/t5782iso4014 六角头螺栓 hexagonheadbolts gb/t5783iso4017六角头螺栓全螺纹 hexagonheadbolts-fullthread gb/t5784iso4015 六角头螺栓细杆b级 hexagonheadbolts-reducedshank-productgradeb gb/t5785iso8765 六角头螺栓细牙 hexagonheadboltswithfi

公制粗牙内螺纹 规格标准径 6h精度 dmaxdmin m1.4*0.31.101.161.075 m1.6*0.351.251.3211.221 m1.8*0.351.451.5211.421 m2.0*0.41.601.6791.567 m2.2*0.451.751.8381.713 m2.5*0.452.052.1382.013 m3.0*0.52.502.5992.459 m3.5*0.62.903.012.85 m4.0*0.73.303.4223.242 m4.5*0.753.753.8783.688 m5.0*0.84.204.3344.134 m5.5*0.55.005.0994.959 m6.0*1.005.005.1534.917 m

常用公制螺纹基本尺寸和极限尺寸表

普通螺纹标准规格表 普通螺纹基本尺寸（mm）普通螺纹基本尺寸（mm） 公称 直径 螺距 p 中径小径 公称 直径 螺距 p 中径小径 20.41.7401.56724322.05120.752 2.50.452.2082.013(27)225.70124.835 30.52.6752.459(27)325.05123.752 40.73.5453.24230228.70127.835 50.84.4804.134303.527.72726.211 615.3504.917(33)231.70130.835 817.3506.917(33)3.530.72729.211 81.257.1886.64736334.05132.752 1019.350