常用公制内外螺纹极限直径表

螺纹规格普通切削丝锥挤牙丝锥（非圆丝锥）钻头直径孔径钻头直径孔径（一级螺纹）孔径（二级螺纹）M1xO.2500.750.729〜0.785M1.4x0・3@1.11.075〜1.142@1.244〜1.263@1.270〜@1.294M1・7x0.35@1.351.321〜1.421@1.51〜@1.54@1.54〜@1.58M2x0.4@1.61.567〜1.679@1.78〜@1.82@1.81〜@1.85M2・3x0.4@1.91.867〜1.979@2.08〜@2.12@2.11〜@2.15M2・5x0.45@2.12.013〜2.138@2.25〜@2.39@2.28〜@2.43M3x0.5@2.42.280〜2.4402.48-2.59@2.74〜@2.78@2.76〜@2.81M3.5x0.6@2.92.850〜3.010@3.18〜@3.21@3.20〜@3.26M4x0.7@3.253.106〜3.326@3.63〜@3.67@3.65〜@3.70M4xO.75@3.33.242〜3.422M5x0.9@4.13.930〜4.170M5x0.8@4.24.134〜4.334@4.57〜@4.62@4.59〜@4.66M6x1@54.917〜5.153@5.45〜@5.51@5.48〜@5.57M7x1@65.917〜6.153@6.45〜@6.51@6.48〜@6.57M8x1.25@6.86.647〜6.912@7.31〜@7.38@7.34〜@7.41M8x1@76.917〜7.153@7.45〜@7.51@7.48〜@7.57M10x1.5@8.58.376〜8.676@9.16〜@9.22@9.18〜@9.28M10x1.25@8.88.647〜8.912@9.31〜@9.38@9.34〜@9.41M10x1@98.917〜9.153@9.46〜@9.52@9.48〜@9.57M12x1.75@10.310.106〜10.441@11.01〜11.08@11.05〜@11.15M12x1.5@10.510.376〜10.676@11.16〜@11.18〜11.22@11.28M12x1.25@10.810.647〜@11.31〜@11.34〜10.91211.38@11.41M12x1@1110.917〜@11.46〜@11.48〜11.15311.52@11.57M14x2@1211.835〜@12.83〜@12.92〜12.21012.95@13.04M14x1.5@12.512.376〜@13.16〜@13.21〜12.67613.22@13.30M16x2@1413.835〜@14.87〜@14.92〜14.21014.95@15.04M16x1.5@14.514.376〜@15.16〜@15.21〜14.67615.22@15.30M18x2.5@15.515.294〜@16.57〜@16.63〜15.74416.67@16.78M18x1.5@16.516.376〜@17.17〜@17.22〜16.67617.23@17.31M20x2.5@17.517.294〜@18.57〜@18.63〜17.74418.67@18.78M20x1.5@18.518.376〜@19.17〜@19.22〜18.67619.23@19.31M22x2.5@19.519.294〜19.744一•切削丝锥攻牙螺纹底径简易计算公式：外径-（牙距x0.85〜0.95）=螺纹底径；例M6x1.0M6-（1.0x0.85）=5.15（最大孔径）M6-（1.0x0.95）=5.05（最小孔径）二•挤牙丝锥螺纹攻牙底径简易计算公式：外径-（牙距x0.425〜0.475）=螺纹底径；例M6x1.0M6-（1.0x0.425）=5.575（最大孔径）M6-（1.0x0.475）=5.525（最小孔径）M24x3@2120.752〜21.252M27x3@2423.752〜24.252M30x3・5@26.526.211〜26.771M36x4@3231.670〜32.270三•切削速度简易计算公式：切削回转速-[（S+L）x500]Dxn例:螺纹丝攻为HSS,被切削材料为低碳钢•切削速度为S,8m/min〜L,14m/minEX-SFTM6x1.0M42x4.5@37.537.129〜37.799M45x4.5@40.540.129〜40.799M48x5@4342.587〜43.297切削速度=(8+14)x5006x3.1416=1100018.85=583RPM公制外螺纹(6g)常用规格极限尺寸 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf (粗牙)2008-11-2214:55公称直径X螺距螺纹精度等级大径中径小径螺胚直径最大最小最大最小最大最小最大M3X0.56g2.9802.8742.6552.5802.4392.602.63M4X0.73.9783.8383.5233.4333.2203.473.50M5X0.84.9764.8264.4564.3614.1104.404.43M6X15.9745.7945.3245.2124.8915.265.29M8X1.257.9727.7607.1607.0426.6197.107.14M10X1.59.9689.7328.9948.8628.3448.928.96M12X1.7511.96611.70110.82910.67910.07210.7510.79M14X213.96213.68212.66312.50311.79712.5712.62M16X215.96215.68214.66314.50313.79714.5714.62M18X2.517.95817.62316.33416.16415.25216.2416.29M20X2.519.95819.62318.33418.16417.25218.2418.29M22X2.521.95821.62320.33420.16419.25220.2420.29M24X323.95223.57722.00321.80320.70421.8921.95M27X326.95226.57725.00324.80323.70424.8924.951•螺胚直径指滚丝前的尺寸，数值为依经验公式计算而得，在实践中需验证。公制外螺纹(6g)常用规格极限尺寸表(细牙)[2007-05-16]关键字：公制外螺纹公称直径X螺距螺纹精度等级大径中径小径螺胚直径最大最小最大最小最大最小最大M3X0.356g2.9812.8962.7542.6872.6022.712.73M4X0.53.9803.8743.6553.5803.4393.603.63M5x0.54.9804.8744.6554.5804.4394.604.63M6X0.755.9785.8385.4915.3915.1665.425.46M8X0.757.9787.8387.4917.3917.1667.427.46M8x17.9747.7947.3247.2126.8917.267.29M10X0.759.9789.8389.4919.3919.1669.429.46M10x19.9749.7949.3249.2128.8919.269.29M10x1.259.9729.7609.1609.0428.6199.089.12M12x111.97411.79411.32411.20610.89111.2511.29M12x1.2511.97211.76011.16011.02810.61911.0811.12M12x1.511.96811.73210.99410.85410.34210.9110.95M14x113.97413.79413.32413.20612.89113.2513.29M14x1.513.96813.73212.99412.85412.34412.9112.95M16x115.97415.79415.32415.20614.89115.2515.29M16x1.515.96815.73214.99414.85414.34414.9014.95M18x117.97417.79417.32417.20616.89117.2517.29M18x1.517.96817.73216.99416.85416.33416.9016.95M18x217.96217.68216.66316.50315.79716.5816.62M20x119.97419.79419.32419.20618.89119.2419.29M20x1.519.96819.73218.99418.85418.34418.9018.95M20x219.96219.68218.66318.50317.79718.5718.62M22x121.97421.79421.32421.20620.89121.2421.29M22x1.521.96821.73220.99420.85420.34420.9520.90M22x221.96221.68220.66320.50319.79720.5720.62M24x123.97423.79423.32423.19922.89123.2323.29M24x1.523.96823.73222.99422.84422.34422.8922.95M24x223.96223.68222.66322.49321.79722.5722.62M27x126.97426.79426.32426.19925.89126.2326.29M27x1.526.96826.73225.94425.84425.34425.8925.95M27x226.96226.68225.66325.49324.79725.5625.62螺丝攻牙铣孔径和滾造径封照表（2）公制细螺纹10.8-10.82009-12-0111:51公制细螺纹规格 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 径2级牙铣孔径最大最小M1.0x020.80.8210.783M1.1x020.90.9210.883M1.2x0.211.0210.983M14x0.21.21.2211.183M1.6x0.21.414211.383M1.7x0.21.451.51.46M1.8x0.21.61.6211.583M2.Ox0.21.751.7851.729M2.2x0.251.951.9851.929M2.3x0.252．O52.0612.001M2.5x0.352.22.2212.121M26x0352.22.2462.186M3.Ox0352.727212.621M3.5x0.353.232213.121M4.Ox0.53.535993.459M4.5x0.54．O04.0993.959M5.Ox54.54.5994.459M5.5x0.555.0994.959M6.Ox0.755.35.3785.188M6.Ox0.55.55.555.4M7.Ox0.756.36.37861.88M7.Ox056.56.5564M80xl.O77.1536.917M80x0.757.37.3787.188M8.Ox0.57.57.527.4M9.Oxl.O88.1537.917M9.Ox0.758.38.3788188M10xl.258.88.9128.647M10xl.09．OO9.1538.917M10x0.759.39.3789.188M10x059.59.529.4M11X101010.1539.917M11x07510.31037810.188M11X1.510.510.67610.376M12X1.2510.810.91210.647