公制螺纹极限尺寸

最小最大最小最大最小最大 m3x0.56g2.8742.982.582.6552.4392.62.63 m4x0.76g3.8383.9783.4333.5233.223.473.5 m5x0.86g4.8264.9764.3614.4564.114.44.43 m6x1.06g5.7945.9745.2125.3244.8915.265.29 m8x1.256g7.767.9727.0427.166.6197.17.14 m10x1.56g9.7329.9688.8628.9948.3448.928.96 m12x1.756g11.70111.96610.67910.82910.07210.7510.79 m14x2.06g13.68213.96212.503

公制(米制)螺纹极限尺寸

大径中径小径牙高大径中径小径牙高 10.2510.8380.7290.135121.751210.86310.1060.947 1.10.251.10.9380.8290.1351421412.70111.8351.083 1.20.251.21.0380.9290.1351621614.70113.8351.083 1.40.31.41.2051.0750.162182.51816.37615.2941.353 1.60.351.61.3731.2210.189202.52018.37617.2941.353 1.80.351.81.5731.4210.189222.52220.37619.2941.353 20.421.741.567

公制外螺纹（6g）常用规格极限尺寸表（粗牙） 小径 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 m14×213.9621

螺纹公制尺寸表

从到minmaxminmax从到maxminmaxminmaxmin 31.54.532.6752.7752.4592.59931.54.52.9802.8742.6552.5802.3672.256 3.51.753.53.1103.2222.8503.0103.51.753.4793.3543.0893.0042.7432.615 42643.5453.6633.2423.4224263.9783.8383.5233.4333.1192.979 52.57.554.4804..6054.1344.33452.57.54.9764.8264.4564.3613.9953.842 63965.3505.5004.9175.1

maxminmaxminmaxminmaxmin m31.54.56g2.9802.8742.6552.5806h2.7752.6752.5902.495 m4266g3.4783.7493.5233.4336h3.6633.5453.4223.242 m52.57.56g4.9794.7604.4564.3616h4.6054.4804.3344.134 7g4.9764.7404.4564.3067h4.6404.4804.3844.134 m6396g5.9745.7325.3245.2126h5.5005.3505.1534.917 7g5.9745.6945.3245.1447h5.5405.3505.2174.917 m8412

公制外螺纹(6g)常用规格极限尺寸表(细 牙) 公称直径×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 m3x0.35 6g 2.9812.8962.7542.6872.602 2.712.73 m4x0.5 3.9803.8743.6553.5803.439 3.603.63 m5×0.5 4.9804.8744.6554.5804.439 4.604.63 m6×0.75 5.9785.8385.4915.3915.166 5.425.46 m8×0.75 7.9787.8387.4917.3917.166 7.427.46 m8×1 7.9747.7947.3247.2126.891 7.267.29 m10×0.75 9.9789.838

大径 最小最大最小最大最小 m3×0.3532.8632.7732.7212.621 m4×0.543.7753.6753.5593.459 m5×0.554.7754.6754.5994.459 m6×0.7565.6455.5135.3785.188 m8×0.7587.6457.5137.3787.188 m8×187.57.357.1536.917 m10×0.75109.6459.5139.3789.188 m10×1108.59.359.1538.917 m10×1.25109.3489.1888.9128.647 m12×11211.5111.3511.15310.917 m12×1.251211.36811.18810.91210.647 m12×1.51

公制外螺纹(6g)常用规格极限尺寸表(粗牙) 公称直径×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 m3×0.5 6g 2.9802.8742.6552.5802.439 2.602.63 m4×0.7 3.9783.8383.5233.4333.220 3.473.50 m5×0.8 4.9764.8264.4564.3614.110 4.404.43 m6×1 5.9745.7945.3245.2124.891 5.265.29 m8×1.25 7.9727.7607.1607.0426.619 7.107.14 m10×1.5 9.9689.7328.9948.8628.344 8.928.96 m12×

尺寸偏差尺寸 偏差 ±tr/2 磨损上限 m1.71.71.4730.30.35-0.019-0.002####0.010.0070.0120.0091.688/1.45570.00501.4677 m221.7400.350.4-0.019-0.002####0.010.0070.0120.0091.988/1.71920.00501.7312 m2.52.52.2080.390.45-0.02-0.002####0.010.0070.0120.0092.487/2.18570.00502.1977 m2.62.62.3080.390.45-0.02-0.002####0.010.0070.0120.0092.587/2.28570.00502.2977 m

m1:粗扣螺距0.25＝φ0.75细扣螺距0.2＝φ0.8 m2:粗扣螺距0.4＝φ1.6细扣螺距0.25＝φ1.8 m3:粗扣螺距0.5＝φ2.5细扣螺距0.35＝φ2.7 m4:粗扣螺距0.7＝φ3.3细扣螺距0.5＝φ3.5 m5:粗扣螺距0.8＝φ4.2细扣螺距0.5＝φ4.5 m6:粗扣螺距1＝φ5细扣螺距0.75＝φ5.2 m8:粗扣螺距1.25＝φ6.7细扣螺距1,0.75＝φ7,φ7.2 m10:粗扣螺距1.5＝φ8.5细扣螺距1.25,1,0.75＝φ8.7,φ9,φ9.2 m12:粗扣螺距1.75＝φ10.2细扣螺距1.5,1.25,1＝φ10.5,φ10.7,φ11 m14:粗扣螺距2＝φ11.9细扣螺距1.5,1.25,1＝φ12.5,φ12.7,φ13 m16:粗扣螺距2＝φ1

常用公制螺纹规尺寸标准对照表

尺寸偏差尺寸 偏差 ±tr/2 磨损上限 m1.71.71.4730.30.35-0.019-0.002####0.010.0070.0120.0091.688/1.45570.00501.4677 m221.7400.350.4-0.019-0.002####0.010.0070.0120.0091.988/1.71920.00501.7312 m2.52.52.2080.390.45-0.02-0.002####0.010.0070.0120.0092.487/2.18570.00502.1977 m2.62.62.3080.390.45-0.02-0.002####0.010.0070.0120.0092.587/2.28570.00502.2977 m

公称直径(大径)：螺距：中径：246.103小径：243.505 公制普通螺纹名义尺寸速查 计算公式为： h(原始三角形高度)=0.866025404p(螺距) 您可以直接通过在下表中选择得到常用规格的尺寸。 下面可以迅速查询米制普通螺纹名义的尺寸。范围按iso261的第一系列直径，还包括少量第 二系列直径。先选择公称直径，螺距选择会变为相应的范围，而第一个螺距就是粗牙的螺距。 中径(d2或d2)=d(大径，公称直径)-0.75h 小径(d1或d1)=d(大径，公称直径)-1.25h 数值圆整到小数点后第三位。 m2506

公称直径(大径)：螺距：中径：246.103小径：243.505 公制普通螺纹名义尺寸速查 计算公式为： h(原始三角形高度)=0.866025404p(螺距) 您可以直接通过在下表中选择得到常用规格的尺寸。 下面可以迅速查询米制普通螺纹名义的尺寸。范围按iso261的第一系列直径，还包括少量第 二系列直径。先选择公称直径，螺距选择会变为相应的范围，而第一个螺距就是粗牙的螺距。 中径(d2或d2)=d(大径，公称直径)-0.75h 小径(d1或d1)=d(大径，公称直径)-1.25h 数值圆整到小数点后第三位。 m2506

尺寸 偏差 ±tpl 尺寸 偏差 ±tpl/2 磨损下限尺寸 m1.41.41.2050.260.300.002####0.0070.00950.00751.4020.00701.20720.00351.19771.349 m1.71.71.4730.30.3500.006####0.0090.01250.00951.7060.00901.47870.00451.46621.638 m221.7400.350.400.006####0.0090.01250.00952.0060.00901.74620.00451.73371.921 m2.52.52.2080.390.4500.006####0.0090.01250.00952.5060.00902.21370.0

公称直径螺距公称直径每英寸牙数 dpdn m30.58#32 m40.710#24 m50.812#24 m611/420 m81.255/1618 m101.53/816 m121.757/1614 m1421/213 m1629/1612 m182.55/811 m202.53/410 m222.57/89 m24318 m27311/87 m303.511/47 m333.513/86 m36411/26 m39413/45 m424.5241/2 m454.521/441/2 m485 m525 m565.5 m605.5 m646 m686 m726 重型六角螺母h=d厚度公差范围d小于或等于m18公

mm sizethreaddesignationclassmaxminmaxminmax 0.25m0.25x0.0756g0.2500.2350.2010.1870.160 m0.25x0.0754g6g0.2500.2350.2010.1930.160 0.3m0.3x0.086g0.3000.2840.2480.2340.204 m0.3x0.084g6g0.3000.2840.2480.2390.204 m0.3x0.096g0.3000.2830.2420.2260.192 m0.3x0.094g6g0.3000.2830.2420.2330.192 0.35m0.35x0.096g0.3500.3330.2920.2770.242 m0.35x0.094g6g0.350

公称直径螺距 dpal2 m330.52.2411481.8 m3.53.5-0.62.5502 m440.73.152.5 m4.54.5-0.753.552.8 m550.8416583.15 m664.5193.55 m775.6194.57 m886.35 m997.15.6 m10102480 m11112585 m12121.75929897.110 m141411.23095912 m161612.5321021013 m1818 m2020 m2222163811812.516 m2424181301418 m2727135 m303048138 m333322.4511511822 m3

镀锌管 外经 塑料管 外经 公制 zg 英制 npt 公制 zg 英制 npt 公制 zg 英制 npt 公制 zg 英制 npt 公制 zg 英制 npt 公制 zg 英制 npt g（直 牙） 公制 zg（锥 牙） 英制 npt 公制 zg 英制 nptg 公制 zg 英制 npt 公制 zg 英制 npt 公制 zg 英制 npt 公制 zg 英制 npt 公制 zg 英制 npt 公制 zg 英制 npt 公制 zg 英制 npt 1/16287.723 1/82828279.728 1/413.513.6213.1613.6212.6613.131.301.430.861.131.341.4119191813.1613.6213.1612.3012.4911.4511.366.005.79φ11.2φ11.19.

螺纹尺寸标准