《紧固件 钢丝螺套 第1部分：普通型》

1注：注：本文件使用的“螺纹公称直径”和“钢丝螺套规格”是指钢丝螺套旋入GB下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中,注日期的引用文24型式尺寸4.1钢丝螺套自由状态下的型式按图1，尺寸按表1和表2的规定。图1普通型钢丝螺套3表1尺寸（粗牙螺纹）单位为毫米钢丝螺套规格引导尺寸dy自由状态外径Dz安装柄长度T折断槽位置α安装柄转接圆弧RmaxminmaxminmaxminmaxminmaxM1.62.02-2.102.300.951.240°90°0.2M22.49-2.532.701.21.640°90°0.3M2.53.09-3.203.701.52.040°90°0.3M33.67-3.804.351.82.440°90°0.4M44.90-5.055.602.43.240°90°0.5M56.03-6.256.802.94.040°90°0.6M67.287.407.407.953.54.840°90°0.7M78.288.588.589.204.05.540°80°0.8M89.559.859.8510.354.76.340°80°1.0M1011.8212.1012.1012.805.87.940°80°1.2M1214.2014.5014.5015.006.99.530°70°1.6M1416.4716.8716.8717.878.111.030°70°2.0M1618.4718.8718.8719.909.112.530°70°2.0M1821.0021.4021.4022.0010.414.230°70°3.0M2023.0123.4623.4624.4011.415.730°60°3.0M2225.0125.6125.6126.9012.417.230°60°3.0M2427.5528.1528.1529.1013.618.830°60°3.0M2730.5531.1531.1532.4015.121.130°60°3.0M3034.1034.7034.7035.8116.923.430°60°3.0M3337.0937.7037.7039.0118.425.730°60°3.0M3640.6341.3341.3342.6720.228.130°60°3.04表1尺寸（粗牙螺纹）单位为毫米（续）钢丝螺套规格引导尺寸dy自由状态外径Dz安装柄长度T折断槽位置α安装柄转接圆弧RmaxminmaxminmaxminmaxminmaxM3943.6344.3344.3345.7521.730.330°60°3.0表2尺寸（细牙螺纹）单位为毫米钢丝螺套规格引导尺寸dy自由状态外径Dz安装柄长度T折断槽位置α安装柄转接圆弧RmaxminmaxminmaxminmaxminmaxM8×19.389.709.7010.254.56.340°80°1.0M10×1.2511.5711.8711.8712.655.77.840°80°1.2M10×111.3811.6811.6812.655.57.840°80°1.0M12×1.514.0214.4014.4015.006.89.430°70°1.6M12×1.2513.8514.2714.2715.006.79.330°70°1.2M12×113.7814.1814.1815.006.59.330°70°1.2M14×1.516.1216.5216.5217.707.810.930°70°1.6M14×1.2516.0516.4516.4517.707.710.830°70°1.2M16×1.518.1218.5218.5219.908.812.430°70°2.0M18×220.6721.0721.0722.0010.114.030°70°3.0M18×1.520.1420.5420.5422.009.813.930°60°3.0M20×222.6723.1223.1224.2011.115.530°60°3.0M20×1.522.3222.7722.7724.2010.815.430°60°3.0M22×224.6725.2725.2726.8012.117.030°60°3.0M22×1.524.3224.9224.9226.8011.816.930°60°3.0M24×226.6727.2727.2729.1013.118.530°60°3.05表2尺寸（细牙螺纹）单位为毫米（续）钢丝螺套规格引导尺寸dy自由状态外径Dz安装柄长度T折断槽位置α安装柄转接圆弧RmaxminmaxminmaxminmaxminmaxM24×1.526.3226.9226.9229.1012.818.430°60°3.0M27×229.6730.2730.2732.4014.620.830°60°3.0M27×1.529.3229.9229.9232.4014.320.730°60°3.0M30×232.6733.2733.2735.8116.123.030°60°3.0M30×1.532.3232.9232.9235.8115.822.930°60°3.0M33×235.6736.2736.2739.0117.625.330°60°3.0M33×1.535.3235.9235.9239.0117.325.230°60°3.0M36×339.7540.4540.4542.6719.627.830°60°3.0M36×238.8739.5739.5742.6719.127.530°60°3.0M39×342.7543.4543.4545.7521.130.130°60°3.0M39×241.8742.5742.5745.7520.629.830°60°3.04.2安装柄对钢丝螺套轴线的对称度按图2和表3规定，由工艺保证。6图2安装柄位置表3安装柄对称度单位为毫米螺纹公称直径M3及以下M4~M6M7~M12M14及以上t0.10.150.20.254.3钢丝螺套自由状态圈数和装配状态长度均应从与安装柄成90°的位置起计算。74.4钢丝螺套安装后长度按自由状态的整圈数进行计算和选择（见表4和表5）。以螺纹公称直径d的倍数表示的钢丝螺套公称长度Ln（自由状态）与自由状态圈数和安装后长度的对照见表A.1和表A.2。4.5钢丝螺套旋入安装孔螺纹后的安装后长度L（见表4、表5和表A.1、表A.2）是通过两端头并垂直于轴线的两平面间距离。4.6根据用户要求，允许不制出折断槽。表4自由状态圈数N和安装后长度L（粗牙螺纹）钢丝螺套规格自由状态圈数N±1/4圈456789202122安装后长度L（参考）/mmM1.61.5491.8662.1832.5002.8173.1343.4513.7694.0864.4034.7205.0375.3545.6715.9986.3066.6236.9407.257M22.0962.5392.9833.4273.8714.3154.7595.2035.6476.0916.5356.9787.4227.8668.3108.7549.1989.64210.086M2.52.4392.9593.4783.9984.5185.0385.5576.0776.5977.1167.6368.1568.6769.1959.71510.23510.75511.27411.794M32.7013.2773.8524.4285.0035.5786.1546.7297.3047.8808.4559.0309.60610.18110.75711.33211.90712.48313.058M43.6944.4775.2616.0446.8287.6118.3959.1789.96210.74511.52812.31213.09513.87914.66215.44616.22917.01317.796M54.1995.0895.9796.8697.7598.6499.53910.42911.31812.20813.09813.98814.87815.76816.65817.54818.43719.32720.217M65.1356.2187.3028.3869.46910.55311.63712.72013.80414.88815.97117.05518.13919.22220.30621.38922.47323.55724.640M75.2176.3217.4258.5309.63410.73811.84212.94714.05115.15516.25917.36418.46819.57220.67621.78122.88523.98925.093M86.3867.7329.07910.42511.77213.11814.46515.81117.15818.50419.85121.19722.54423.89025.23726.58327.93029.27630.622M107.5089.08510.66212.23913.81615.39216.96918.54620.12321.70023.27724.85426.43128.00829.58531.16232.73934.31635.893M128.78110.62612.47114.31616.16118.00719.85221.69723.54225.38727.23229.07830.92332.76834.61336.45838.30340.14941.994M1410.14412.28014.41716.55318.68920.82522.96125.09727.23329.36931.50533.64135.77837.91440.05042.18644.32246.45848.594M1610.14212.27714.41316.54818.68320.81922.95425.09027.22529.36131.49633.63135.76737.90240.03842.17344.30946.44448.579M1812.45115.06417.67620.28922.90225.51528.12730.74033.35335.96638.57841.19143.80446.41749.02951.64254.25556.86759.480M2012.55715.19617.83520.47423.11325.75228.39131.03133.67036.30938.94841.58744.22646.86549.50552.14454.78357.42260.061M2212.68615.35718.02820.70023.37126.04228.71431.38534.05736.72839.39942.07144.74247.41450.08552.75655.42858.09960.7718表4自由状态圈数N和安装后长度L（粗牙螺纹）（续）钢丝螺套规格自由状态圈数N±1/4圈456789202122安装后长度L（参考）/mmM2414.97118.11421.25724.40027.54330.68633.82936.97140.11443.25746.40049.54352.68655.82958.97162.11465.25768.40071.543M2715.11518.29421.47324.65127.83031.00934.18837.36740.54543.72446.90350.08253.26056.43959.61862.79765.97669.15472.333M3017.51121.18924.86728.54432.22235.90039.57843.25646.93350.61154.28957.96761.64465.32269.00072.67876.35680.03383.711M3317.43221.09024.74828.40632.06435.72239.38043.03946.69750.35554.01357.67161.32964.98768.64572.30375.96179.61983.277M3619.85724.02128.18532.34936.51340.67744.84149.00653.17057.33461.49865.66269.82673.99078.15582.31986.48390.64794.811M3919.97424.16728.36032.55436.74740.94145.13449.32753.52157.71461.90866.10170.29474.48878.68182.87587.06891.26195.455表5自由状态圈数N和安装后长度L（细牙螺纹）钢丝螺套规格自由状态圈数N±1/4圈456789202122安装后长度L（参考）/mmM8×15.1866.2837.3808.4769.57310.67011.76612.86313.95915.05616.15317.24918.34619.44220.53921.63622.73223.82924.926M10×1.256.4507.8139.17510.53811.90013.26314.62515.98817.35018.71320.07521.43822.80024.16325.52526.88828.25029.61330.975M10×15.2676.3837.5008.6169.73310.85011.96613.08314.20015.31616.43317.54918.66619.78320.89922.01623.13324.24925.366M12×1.57.6749.29210.91112.52914.14815.76617.38519.00320.62222.24023.85925.47727.09628.71430.33331.95133.57035.18836.807M12×1.256.4807.8509.22010.59011.96013.33014.70016.07017.44018.81020.18021.55022.92024.29025.66027.03028.40029.77031.140M12×15.2956.4187.5428.6659.78910.91312.03613.16014.28415.40716.53117.65518.77819.90221.02522.14923.27324.39625.5209表5自由状态圈数N和安装后长度L（细牙螺纹）（续）钢丝螺套规格自由状态圈数N±1/4圈456789202122安装后长度L（参考）/mmM14×1.57.8269.48311.14012.79614.45316.11017.76619.42321.07922.73624.39326.04927.70629.36231.01932.67634.33235.98937.645M14×1.256.6188.0229.42710.83112.23513.64015.04416.44917.85319.25820.66222.06723.47124.87526.28027.68429.08930.49331.898M16×1.57.8139.46711.12012.77314.42616.08017.73319.38621.04022.69324.34626.00027.65329.30630.96032.61334.26635.91937.573M18×210.22912.38614.54316.70018.85821.01523.17225.32927.48629.64431.80133.95836.11538.27240.43042.58744.74446.90149.058M18×1.57.7899.43611.08312.73114.37816.02517.67219.32020.96722.61424.26125.90927.55629.20330.85032.49834.14535.79237.439M20×210.24412.40514.56616.72718.88921.05023.21125.37227.53329.69431.85534.01636.17738.33840.49942.66044.82146.98249.143M20×1.57.7849.43111.07712.72314.36916.01517.66119.30720.95322.59924.24525.89227.53829.18430.83032.47634.12235.76837.414M22×210.35612.54614.73516.92419.11321.30223.49125.68027.86930.05932.24834.43736.62638.81541.00443.19345.38247.57149.761M22×1.57.8489.51011.17212.83414.49616.15817.82019.48221.14422.80624.46826.13027.79229.45431.11632.77834.44036.10237.764M24×210.34512.53114.71716.90319.08921.27523.46125.64727.83430.02032.20634.39236.57838.76440.95043.13645.32347.50949.695M24×1.57.8039.45411.10512.75614.40616.05717.70819.35921.01022.66124.31125.96227.61329.26430.91532.56534.21635.86737.518M27×210.32312.50314.68416.86519.04621.22623.40725.58827.76829.94932.13034.31036.49138.67240.85343.03345.21447.39549.575M27×1.57.8249.48011.13612.79214.44816.10417.76019.41621.07222.72824.38426.04027.69529.35131.00732.66334.31935.97537.631M30×210.24312.40414.56416.72518.88621.04723.20725.36827.52929.69031.85034.01136.17238.33240.49342.65444.81546.97549.136M30×1.57.7659.40611.04712.68814.32915.97117.61219.25320.89422.53524.17625.81827.45929.10030.74132.38234.02335.