GBT91459146公制内外螺纹极限尺寸检查表

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

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

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×

GBT15756-2008普通螺纹极限尺寸

1 美制外螺纹（2a）常用规格极限尺寸表（粗牙） 公称尺寸和 每英寸牙数 螺纹 系列 代号 大径极限中径极限 小径max 螺胚直径 最小最大最小最大最小最大 8-32 unc 0.15710.16310.13990.14280.1248 3.583.61 (0.164-32)3.99034.14273.55353.62713.1699 10-240.18180.18900.15860.16190.1379 4.074.10 (0.190-24)4.61774.80064.02844.11233.5027 12-240.20780.21500.18450.18790.1639 4.724.75 (0.216-24)5.2781

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

GBT15054.5-1994小螺纹极限尺寸

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

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

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

1 公制外螺纹（细牙） 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 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

介绍了杯形件脱内外螺纹注射模设计方法,通过对杯形件脱内外螺纹的模具结构、工作原理的分析,提出了采用开模力旋转卸内螺纹和采用斜滑块开模结构卸外螺纹的方法,从而实现了自动注塑生产,满足了生产需要。

常用公制螺纹基本尺寸和极限尺寸表

在原有镀锌工艺的基础上,对内外螺纹都需要镀锌的螺套进行了改进试验。首先,提高了主盐浓度,有利于提高镀液的导电能力;其次,增大了允许使用的电流密度,避免高电流密度区烧焦,同时又能使内孔处得到合适的电流密度,得出比较合适的工艺方案,使螺套内外螺纹的镀锌质量得到了提高。

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

GBT15054.3-1994小螺纹基本尺寸

双外螺纹接头是一种常见的管道连接件，广泛应用于各种工业管道系统中。其尺寸的精确性和标准化对于确保管道系统的稳定运行和安全至关重要。本文将详细探讨双外螺纹接头的尺寸规格，以便于在实际应用中进行正确选择和使用。

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

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