中文版公制細牙螺紋尺寸和公差

公制外螺紋（6g）常用規(guī)格極限尺寸表（粗牙） 小徑 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

從到minmaxminmax從到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

螺紋公制尺寸表

公制外螺紋(6g)常用規(guī)格極限尺寸表(細 牙) 公稱直徑×螺距 螺紋精 度等級 大徑中徑小徑螺胚直徑 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

從到minmaxminmax從到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

大徑 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

...... 學習參考 公制螺紋 基本直徑內(nèi)螺紋公差等級外螺紋公差 大 徑 中徑小徑6h7h6g 中徑公差小徑公差中徑公 0,差 小徑公差中徑公差小徑公差 m10*1109.358.9170,+0.1500,+0.2360,+0.1900,+0.300-0.026,-0.138-0.026,0.206 m12*11211.3510.9170,+0.1600,+0.2360,+0.2000,+0.300-0.026,-0.144-0.026,0.206 m14*11413.35122.9170,+0.1600,+0.2360,+0.2000,+0.300-0.026,-0.144-0.026,0.206 m12*1.251211.18810.6470,+0.1800,+0.2650,+0

英制螺紋尺寸公差表 單位：毫米 規(guī)格代號系列 代號 等 級 螺距 外螺紋內(nèi)螺紋 名義直徑每英寸牙數(shù)外徑中徑內(nèi)徑小徑中徑大徑 10.060—80（0#—80）unf 20.31751.5113–0.081281.30556–0.045721.122681.1811+0.124461.3182+0.058421.524 30.31751.5240–0.081281.3182–0.033021.135381.1811+0.124461.3182+0.043181.524 20.073—64（1#—64）unc 20.3968751.83896–0.096521.58242–0.05081.351281.42494+0.157481.59766+0.066041.8542 30.396875

英制螺紋尺寸公差表

普通螺紋基本尺寸及公差 0.190.30.30.5 0000 0.2240.3750.30.5 0000 0.2240.3750.30.5 0000 0.2360.3750.30.5 0000 0.2360.3750.30.5 0000 0.2360.3750.30.5 0000 0.250.3750.3350.5 0000 0.2360.3750.3350.5 0000 0.280.50.2650.5 0000 0.280.50.3750.6 0000 0.280.50.3750.6 0000 0.30.50.3750.6 0000 0.3750.6 00 φ108.051φ106.752 m110*3

螺紋基本尺寸及公差 尺寸 代號 每25.4mm 內(nèi) 的牙數(shù)n 螺距p 牙高 h 圓弧半徑 r≈ 基面上的直徑 基準長度 有效螺紋 長度 基準長度圓錐內(nèi)螺 紋基面軸 向位移的 極限偏差 ±t2/2 裝配 余量 有效螺紋長度 不小于 大徑d=d中徑d2=d2小徑d1=d1 基 本 極限偏差±t1/2 最大最小余數(shù)圈數(shù)基本最大最小 圈數(shù)圈數(shù) 1∕16280.9070.5810.1257.7237.1426.56146.540.914.93.11.111∕42.523∕46.57.45.6 1∕8280.9070.5810.1259.7289.1478.56646.540.914.93.11.111∕42.523∕46.57.45.6 1∕4191.3370.8560.1

常用公制螺紋基本尺寸和極限尺寸表

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1 公制外螺紋（細牙） 公稱直徑× 螺距 大徑中徑小徑螺胚直徑 最大最小最大最小最大最小最大 m3x0.352.9812.8962.7542.6872.6022.712.73 m4x0.53.9803.8743.6553.5803.4393.603.63 m5×0.54.9804.8744.6554.5804.4394.604.63 m6×0.755.9785.8385.4915.3915.1665.425.46 m8×0.757.9787.8387.4917.3917.1667.427.46 m8×17.9747.7947.3247.2126.8917.267.29 m10×0.759.9789.8389.4919.3919.1669.429.46 m10×

公制外螺紋（6g）常用規(guī)格極限尺寸表（粗牙） 小徑 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

尺寸偏差尺寸 偏差 ±tr/2 磨損上限 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

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)螺紋極限尺寸

公稱直徑(大徑)：螺距：中徑：246.103小徑：243.505 公制普通螺紋名義尺寸速查 計算公式為： h(原始三角形高度)=0.866025404p(螺距) 您可以直接通過在下表中選擇得到常用規(guī)格的尺寸。 下面可以迅速查詢米制普通螺紋名義的尺寸。范圍按iso261的第一系列直徑，還包括少量第 二系列直徑。先選擇公稱直徑，螺距選擇會變?yōu)橄鄳姆秶?，而第一個螺距就是粗牙的螺距。 中徑(d2或d2)=d(大徑，公稱直徑)-0.75h 小徑(d1或d1)=d(大徑，公稱直徑)-1.25h 數(shù)值圓整到小數(shù)點后第三位。 m2506

公稱直徑(大徑)：螺距：中徑：246.103小徑：243.505 公制普通螺紋名義尺寸速查 計算公式為： h(原始三角形高度)=0.866025404p(螺距) 您可以直接通過在下表中選擇得到常用規(guī)格的尺寸。 下面可以迅速查詢米制普通螺紋名義的尺寸。范圍按iso261的第一系列直徑，還包括少量第 二系列直徑。先選擇公稱直徑，螺距選擇會變?yōu)橄鄳姆秶?，而第一個螺距就是粗牙的螺距。 中徑(d2或d2)=d(大徑，公稱直徑)-0.75h 小徑(d1或d1)=d(大徑，公稱直徑)-1.25h 數(shù)值圓整到小數(shù)點后第三位。 m2506

尺寸 偏差 ±tpl 尺寸 偏差 ±tpl/2 磨損下限尺寸 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

公稱直徑螺距 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