公制粗牙螺纹的螺栓,螺母.doc

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CBHH1H2M10.250.770.729　　　　M1.20.250.97　　　　　M1.60.351.31.221　　1.3　M20.41.651.567　　1.61.2M2.50.452.112.013　　　2M30.52.572.4596.45.522.41.8M40.73.363.2428.172.83.22.4M50.84.264.1349.283.54.73.2M615.084.91711.51045.23.6M81.256.856.64715135.56.85M101.58.548.17619.617(16)19(18)78.46M121.7510.310.10621.9810.87M16214.113.83527.724101310M202.517.617.29434.630131612M24321.120.75241.636151914圆头螺钉(ｍｍ)沉头螺钉公英制丝攻牙对照表公称直径螺距圆头沉头公制丝攻底牙钻咀英制丝攻底牙钻咀喉牙丝攻底牙钻咀DHDHM43.2mm1/8"2.6mm1/8"11/32"M10.2520.820.6M54.2mm5/32"1/8"1/4"13/32"M1.20.252.30.92.40.7M65mm3/16"5/32"3/8"31/64"M1.60.3531.13.20.95M86.8mm1/4"13/64"1/2"3/4"M20.43.51.341.2M108.5mm5/16"17/64"M2.30.441.54.61.35M1213.32"3/8"21/64"M2.50.454.51.751.45M1415.32"1/2"27/64"M2.60.454.51.75.21.5M1614mm5/8"17/32"M30.55.5261.75M1815.5mm3/4"21/32"M40.772.682.3M2016.5mmM50.893.4102.3M2421.5mmM6110.54123.4M81.25145.4164.4六角螺栓使用(ｍｍ)公称直径螺距外螺纹螺栓螺栓头沉孔工具（六角扳手）空间螺栓长度外螺纹内径小径DHd'D'H'BhLｌM30.52.572.4595.533.46.53.32.518564~20M40.73.363.242744.584.4320634~25M50.84.264.1348.555.59.55.4425708~32M615.084.9171066.6116.55288010~50M81.256.856.6471389148.66329012~100M101.58.548.37616101117.510.883610014~125M121.7510.310.1061812142013104011218~125M16214.113.8352416182617.5145614025~160M202.517.617.2943020223221.5176316035~180M24321.120.7523624263925.5197018050~300垫圈和螺栓孔（ｍｍ）公称直径平垫圈（小圆形）弹簧垫圈　螺杆孔径　螺杆长度dDｔdDb * tdneｌM11.12.50.3　　　　1.30.2　M1.21.32.80.3　　　　1.50.2　M1.61.73.8 (3.5)0.3　　　　20.2　M22.24.3 (4.5)0.32.10.40.90.52.60.3　M2.52.750.52.65.210.63.10.3　M33.260.53.15.91.10.73.60.320~30M44.380.84.17.61.414.80.425~40M55.310 (9)15.19.21.71.35.80.425~50M66.411.5 (11)1.66.112.22.71.570.430~60M88.415.5 (15)1.68.215.43.22100.635~80M1010.518210.218.43.72.5120.640~100M121321 (20)2.512.221.54.2314.51.115~120M161728316.2285.2418.51.155~160M202134320.233.86.15.1241.265~200M242539424.540.37.15.9281.280~240管用螺纹（ｍｍ)米制细牙螺纹(ｍｍ)圆柱螺纹的公称直径圆锥螺纹的公称直径螺距 （参考值）内、外螺纹从管的端面至基准直径的距离ax公称直径外螺纹小径大径小径M8*0.757.188G1/16R1/160.90717.7236.5613.97M10*1.258.647G1/8R1/80.90719.7288.5663.97M12*1.25G1/4R1/41.336813.15711.4456.01M16*1.510.647G3/8R3/81.336816.66214.956.35M20*1.514.376G1/2R1/21.814320.95518.6318.16M24*218.376G3/4R3/41.814326.44124.1179.53M30*221.835G1R12.309133.24930.29110.39M36*327.835G11/4R11/42.309141.9138.95212.732.752G11/2R11/22.309147.80344.84512.7G2R22.309159.61456.65615.88G3R32.309187.88484.92620.64尺寸代号(in)每英寸牙数(n p)螺距大径D，d小径D1，d11/16280.9077.7236.5611/8280.9079.7288.5661/4191.33713.15711.4453/8191.33716.66214.951/2141.81420.95518.6315/8141.81422.91120.5873/4141.81430.20127.8771112.30933.24930.2911-1/8112.30937.89734.9391-1/4112.30941.9138.9521-1/2112.30947.80344.8451-3/4112.30953.74650.7882112.30959.61456.6562-1/4112.30965.7162.7522-1/2112.30975.18472.2262-3/4112.30981.53478.5783112.30987.88484.9263-1/2112.309100.3397.3724112.309113.03110.0725112.309138.43135.4726112.309163.83160.872英制管螺纹规格标准径钻孔径标准径有效牙部之长标准长度之长最大最小使用铰刀时不用铰刀时度中螺牙内径螺牙内径PS1\16-286.56.6326.496.16.26.2446.384PS1\8-288.58.6878.4958.188.2498.388PS1\4-1911.411.54911.34110.71110.96211.174PS3\8-191515.05414.84614.214.514.44814.685PS1\2-1418.518.73318.48917.61317.97918.263PS3\4-142424.25923.9752323.523.37823.663PS1\4-11。