Bar diameter for external threads ( for cutting type dies )

■ Metric threads

unit: mm

Sizemajor d ISiameter o Of external oldthreads JISbar di (rameter ef.)
dmaxdmindmaxdminISOold JIS
M1 ×0.251.0000.9330.9850.9400.950.95
M1 ×0.21.0000.9440.9800.9300.960.94
M1.1×0.251.1001.0331.1001.0331.051.05
M1.1×0.21.1001.0441.1001.0441.061.06
M1.2×0.251.2001.1331.1851.1401.151.15
M1.2×0.21.2001.1441.1801.1301.161.14
M1.4×0.31.4001.3251.3801.3201.341.34
M1.4×0.21.4001.3441.3801.3301.361.34
M1.6×0.351.5811.4961.5811.4961.521.52
M1.6×0.21.5831.5271.5831.5271.541.54
M1.7×0.351.6811.5961.6801.6101.621.63
M1.7×0.21.6831.6271.6801.6301.641.64
M1.8×0.351.7811.6961.7811.6961.721.72
M1.8×0.21.7831.7271.7831.7271.741.74
M2 ×0.41.9811.8861.9801.8901.911.91
M2 ×0.251.9821.9151.9801.9301.931.94
M2.2×0.452.1802.0802.1802.0802.112.11
M2.2×0.252.1822.1152.1822.1152.132.13
M2.3×0.42.2812.1862.2802.1902.212.21
M2.3×0.252.2822.2152.2802.2302.232.24
M2.5×0.452.4802.3802.4802.3802.412.41
M2.5×0.352.4812.3962.4812.3962.422.42
M2.6×0.452.5802.4802.5802.4802.512.51
M2.6×0.352.5812.4962.5802.4802.522.51
M3 ×0.52.9802.8742.9802.8742.902.90
M3 ×0.352.9812.8962.9802.8802.922.91
M3.5×0.63.4793.3543.4703.3603.393.39
M3.5×0.353.4813.3963.4803.3803.423.41
M4 ×0.73.9783.8383.9783.8383.873.87
M4 ×0.53.9803.8743.9703.8603.903.89
M4.5×0.754.4784.3384.4704.3404.374.37
M4.5×0.54.4804.3744.4704.3604.404.39
M5 ×0.84.9764.8264.9764.8264.864.86
M5 ×0.54.9804.8744.9704.8604.904.89
M5.5×0.55.4805.3745.4705.3605.405.39
M6 ×15.9745.7945.9705.8205.845.86
M6 ×0.755.9785.8385.9705.8505.875.88
M7 ×16.9746.7946.9706.8206.846.86
M7 ×0.756.9786.8386.9706.8506.876.88
M8 ×1.257.9727.7607.9607.7907.817.83
M8 ×17.9747.7947.9707.8307.847.87
M8 ×0.757.9787.8387.9707.8307.877.87
M9 ×1.258.9728.7608.9608.7908.818.83
M9 ×18.9748.7948.9708.8308.848.87
Sizemajor d ISiameter o Of external oldthreads JISbar dia (remeter f.)
dmaxdmindmaxdminISOold JIS
M9×0.758.9788.8388.9708.8308.878.87
M10×1.59.9689.7329.9609.7709.799.82
M10×1.259.9729.7609.9609.8109.819.85
M10×19.9749.7949.9709.8209.849.86
M10×0.759.9789.8389.9789.8389.879.87
M11×1.510.96810.73210.96810.73210.7910.79
M11×110.97410.79410.97010.82010.8410.86
M11×0.7510.97810.83810.97810.83810.8710.87
M12×1.7511.96611.70111.95011.76011.811.8
M12×1.511.96811.73211.96011.79011.811.8
M12×1.2511.97211.76011.97211.76011.811.8
M12×111.97411.79411.96011.81011.8411.85
M14×213.96213.68213.95013.74013.813.8
M14×1.513.96813.73213.96013.79013.813.8
M14×113.97413.79413.96013.81013.8413.85
M15×1.514.96814.73214.96014.79014.814.8
M15×114.97414.79414.96014.81014.8414.85
M16×215.96215.68215.95015.74015.815.8
M16×1.515.96815.73215.96015.79015.815.8
M16×115.97415.79415.96015.81015.8415.85
M17×1.516.96816.73216.96816.73216.816.8
M17×116.97416.79416.97416.79416.8416.84
M18×2.517.95817.62317.95017.71017.717.8
M18×217.96217.68217.95017.65017.817.7
M18×1.517.96817.73217.95017.78017.817.8
M18×117.97417.79417.96017.81017.8417.85
M20×2.519.95819.62319.95019.71019.719.8
M20×219.96219.68219.95019.65019.819.7
M20×1.519.96819.73219.95019.78019.819.8
M20×119.97419.79419.96019.81019.8419.85
M22×2.521.95821.62321.95021.71021.721.8
M22×221.96221.68221.95021.65021.821.7
M22×1.521.96821.73221.95021.78021.821.8
M22×121.97421.79421.96021.81021.8421.85
M24×323.95223.57723.94023.68023.723.7
M24×223.96223.68223.94023.64023.823.7
M24×1.523.96823.73223.95023.78023.823.8
M24×123.97423.79423.96023.81023.8423.85
M25×224.96224.68224.94024.64024.824.7
M25×1.524.96824.73224.95024.78024.824.8
M25×124.97424.79424.96024.81024.8424.85
M26×1.525.96825.73225.95025.78025.825.8
M27×326.95226.57726.94026.68026.726.7
M27×226.96226.68226.96226.68226.826.8
M27×1.526.96826.73226.95026.78026.826.8
M27×126.97426.79426.97426.79426.8426.84
M28×227.96227.68227.94027.64027.827.7
M28×1.527.96827.73227.95027.78027.827.8
M28×127.97427.79427.96027.81027.8427.85
M30×3529947295222994029660296297
M30. ×3. 29.952. 29.577. 29.952. 29.577. 29.7. 29.7

ISO tolerance area Class 6g (M1.6 and larger) 6h (M1.4 and smaller) old JIS 2nd class ・ISO : from table 2 JIS B0209-2 and from table 1 JIS B0209-3

tolerable limit size and the tolerance of metric fine threads (for 2nd class external