Description of productsTechnical Information 15. Bored hole size before tapping ( for thread cutting ) ■■ffoorrMMeetrtircicThTrhearedasds UnUitnit: :mmmm SSiizzee MMinionrodridaimametetreorfoifnitnetrenranl atlhtrhearedasd(sD(1D)1) BoBroereddhhoolelessiizzeMax.Min.( (rereff.).)SSiizzee MMinionrodridaimametetreorfoifnitnetrenranl atlhtrhearedasd(sD(1D)1) BoBroereddhhoolelessiizzeMax.Min.( (reref.f).) M1 ×0.25 (0.785) (0.729) 00.7.777 M 9 ×1.25 7.912 7.647 7.865.33 M1 ×0.2M1.1×0.25 (0.821) (0.783)(0.885)(0.829) 000..88.8171 M 9 ×1M9×0.75 8.153 7.9178.3788.188 88..30639.56 M1.1×0.2 (0.921) (0.883) 00.9.817 ※1 M 9 ×0.5 8.599 8.459 8.566.85 M1.2×0.25 (0.985) (0.929) 00.9.971 ※2 M 9.5×1 8.653 8.417 8.579.09 M1.2×0.2M1.4×0.3 (1.021) (0.983) 10.0.917(1.142)(1.075)1.13 ※2 M 9.5×0.75※2 M9.5×0.5 8.878 8.688 8.873.339.0998.9599.06 M1.4×0.2 (1.221) (1.183) 11.2.011 M10 ×1.5 8.676 8.376 8.670.56 M1.6×0.35 1.321 1.221 11.3.103 M10 ×1.25 8.912 8.647 8.875.85 M1.6×0.2※1 M1.7 ×0.35 (1.421) (1.383) 11.4.2111.4211.3211.40 M10 ×1 9.153 8.917 9.089.09M10×0.759.3789.1889.33 ※1 M1.7×0.2 1.521 1.483 11.5.310 ※1 M10 ×0.5 9.599 9.459 9.586.33 M1.8×0.35 1.521 1.421 11.5.401 M11 ×1.5 9.676 9.376 9.680.60 M1.8×0.2 (1.621) (1.583) 11.6.410 ※1 M11 ×1.25 9.912 9.647 9.885.85 M2 ×0.4M2×0.25 1.679 1.567(1.785)(1.729) 111..67.5571 M11 ×1M11×0.75 10.153 9.91710.37810.1881100..930.3909 M2.2 ×0.45 1.838 1.713 11.8.510 ※1 M11 ×0.5 10.599 10.459 10.95.633 M2.2 ×0.25 (1.985) (1.929) 11.9.671 M12 ×1.75 10.441 10.106 109.4.56 ※1 M2.3×0.4※1 M2.3×0.25 1.979 1.8672.0852.029 121..90.6575 M12 ×1.5M12×1.25 10.676 10.37610.91210.6471100..986.5060 M2.5 ×0.45 2.138 2.013 21.1.717 M12 ×1 11.153 10.917 111.00.910 M2.5 ×0.35 2.221 2.121 21.2.801 ※2 M12 ×0.75 11.378 11.188 11.03.33 ※1 M2.6×0.45※1 M2.6×0.35 2.238 2.113 21.2.9172.3212.2212.30 ※1 M12 ×0.5※2 M13×1.75 11.599 11.459 111.05.65611.44111.10611.4 M3 ×0.5 2.599 2.459 21.5.965 ※1 M13 ×1.5 11.676 11.376 111.06.04 ※1 3M0.6 2.440 2.280 22.4.007 ※2 M13 ×1.25 11.912 11.647 11.08.560 M3 ×0.35 2.721 2.621 22.7.101 ※1 M13 ×1 12.153 11.917 121.00.985 M3.5 ×0.6 3.010 2.850 2.97 ※2 M13 ×0.75 12.378 12.188 12.33 M3.5 ×0.35 3.221 3.121 32.2.200 ※1 M13 ×0.5 12.599 12.459 121.15.609 M4 ×0.7 3.422 3.242 32.3.281 M14 ×2 12.210 11.835 1121.1.56 ※1 4M0.75 3.326 3.106 32.2.370 ※2 M14 ×1.75 12.441 12.106 1122.4.1 M4 ×0.5M4.5 ×0.75 3.599 3.4593.8783.688 332..58.5636 M14 ×1.5M14×1.25 12.676 12.37612.91212.64711221..286.5060 M4.5 ×0.5 4.099 3.959 42.0.760 M14 ×1 13.153 12.917 131.30.909 M5 ×0.8 4.334 4.134 42.2.987 ※2 M14 ×0.75 13.378 13.188 131.33.360 ※1 5M0.9※2 M5×0.75 4.170 3.930 43.1.2104.3784.1884.33 ※1 M14 ×0.5※2 M15×2 13.599 13.459 131.45.60913.21012.83513.1 M5 ×0.5 4.599 4.459 43.5.368 M15 ×1.5 13.676 13.376 131.46.01 ※1 M5.5×0.9 4.670 4.430 43.6.516 ※2 M15 ×1.25 13.912 13.647 131.48.560 M5.5 ×0.75 4.878 4.688 43.8.833 M15 ×1 14.153 13.917 141.50.909 M5.5 ×0.5 5.099 4.959 5.06 ※2 M15 ×0.75 14.378 14.188 14.33 M6 ×1 5.153 4.917 54.0.096 ※1 M15 ×0.5 14.599 14.459 141.55.660 M6 ×0.75 5.378 5.188 54.3.238 M16 ×2 14.210 13.835 1146.1.09 ※1 M6 ×0.5 5.599 5.459 54.5.566 M16 ×1.5 14.676 14.376 141.56.06 ※2MMM567.5.5×××0.015.5 665..01.0959939 554..99.9515979 665..00.0696 ※2 M16 ×1.25M16×1 14.912 14.64715.15314.91711541..608.951 M7 ×0.75 6.378 6.188 65.3.039 ※2 M16 ×0.75 15.378 15.188 151.63.360 ※1 M7 ×0.5 6.599 6.459 65.5.363 ※1 M16 ×0.5 15.599 15.459 151.75.609 ※2 M7.5×0.5 7.099 6.959 75.0.566 ※2 M17 ×2 15.210 14.835 1157.1.6 M8 ×1.25 6.912 6.647 6.85 M17 ×1.5 15.676 15.376 15.60 M8 ×1 7.153 6.917 76.0.099 ※2 M17 ×1.25 15.912 15.647 15.85 The reMco8mm×e0nd.7e5d tap drill sizes in7d.i3c7at8ed above are7fo.1r 8JI8S 6H (Class 2) M7e.3tr3ic Threads. M17 ×1 16.153 15.917 16.09 ••• D呼※1び1: MM※i8n1o印r ×dのia0もm.5のetはer ※呼び2 M※82.印5×の1ものはJoIfSJIよS り6H削(C除laさs7sれ.25)て9in9いteまrnすal 。thread7. T.4h5e9Minor JISに規定され7.て65い3ない。 7.417 diamete7r.s5D61 7.59 shown in ( ) are o※f 52 HM(1C7lass×2)0fo.7r5coarse ※2 M17 ×0.5 threads a1n6d.3of748H 16.599 • 5H (Class116).1fo8r8 16.459 ne threads.16.33 16.56 • ※※M2 Mar8ke.5d×siz0e.s7h5ave been elimina7t.e8d7f8rom JIS. 7.688 7.83 M18 ×2.5 15.744 15.294 15.6 ※2 M8.5×0.5 8.099 7.959 8.06 M18 ×2 16.210 15.835 16.1 The recommended tap drill sizes indicated above are for JIS 6H (Class 2) Metric Threads. • D1: Minor diameter of JIS 6H (Class 2) internal thread. The Minor diameters D1 shown in ( ) are of 5H (Class 2) for coarse threads and of 4H • 5H (Class 1) for fine threads. • Sizes marked with ※1 are already removed from JIS. • Sizes marked with ※2 are not specified by JIS. • ※Marked sizes have been eliminated from JIS. Technical-36