Общий каталог Yamawa 2022 - 2023 - страница 1187

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Bored hole size before tapping ( for thread cutting ) 15. Bored hole size before tapping ( for thread cutting )

■■ for Metric Threadsfor Metric Threads Unit : mm Unit : mm

Unit : mm

SizeMinor diameter of in Max.ternal threads (D1) Min.Bored hole size ( ref.)
M1 ×0.25(0.785)(0.729)0.77
M1 ×0.2(0.821)(0.783)0.81
M1.1×0.25(0.885)(0.829)0.87
M1.1×0.2(0.921)(0.883)0.91
M1.2×0.25(0.985)(0.929)0.97
M1.2×0.2(1.021)(0.983)1.01
M1.4×0.3(1.142)(1.075)1.13
M1.4×0.2(1.221)(1.183)1.21
M1.6×0.351.3211.2211.30
M1.6×0.2(1.421)(1.383)1.41
※ 1M1.7×0.351.4211.3211.40
※ 1M1.7×0.21.5211.4831.51
M1.8×0.351.5211.4211.50
M1.8×0.2(1.621)(1.583)1.61
M2 ×0.41.6791.5671.65
M2 ×0.25(1.785)(1.729)1.77
M2.2×0.451.8381.7131.81
M2.2×0.25(1.985)(1.929)1.97
※ 1M2.3×0.41.9791.8671.95
※ 1M2.3×0.252.0852.0292.07
M2.5×0.452.1382.0132.11
M2.5×0.352.2212.1212.20
※ 1M2.6×0.452.2382.1132.21
※ 1M2.6×0.352.3212.2212.30
M3 ×0.52.5992.4592.56
※ 13M0.62.4402.2802.40
M3 ×0.352.7212.6212.70
M3.5×0.63.0102.8502.97
M3.5×0.353.2213.1213.20
M4 ×0.73.4223.2423.38
※ 14M0.753.3263.1063.27
M4 ×0.53.5993.4593.56
M4.5×0.753.8783.6883.83
M4.5×0.54.0993.9594.06
M5 ×0.84.3344.1344.28
※ 15M0.94.1703.9304.11
※ 2M5 ×0.754.3784.1884.33
M5 ×0.54.5994.4594.56
※ 1M5.5×0.94.6704.4304.61
M5.5×0.754.8784.6884.83
M5.5×0.55.0994.9595.06
M6 ×15.1534.9175.09
M6 ×0.755.3785.1885.33
※ 1M6 ×0.55.5995.4595.56
※ 2M6.5×0.56.0995.9596.06
M7 ×16.1535.9176.09
M7 ×0.756.3786.1886.33
※ 1M7 ×0.56.5996.4596.56
※ 2M7.5×0.57.0996.9597.06
M8 ×1.256.9126.6476.85
M8 ×17.1536.9177.09
M8 ×0.757.3787.1887.33
※ 1M8 ×0.57.5997.4597.56
※ 2M8.5×1 ※ 2 ×7.6537.4177.59
M8.50.75 ※ 2M8.5×0.57.878 8.0997.688 7.9597.83 8.06
SizeMinor diameter of in Max.ternal threads (D1) Min.Bored hole size ( ref.)
M 9 ×1.257.9127.6477.85
M 9 ×18.1537.9178.09
M 9 ×0.758.3788.1888.33
※ 1M 9 ×0.58.5998.4598.56
※ 2M 9.5×18.6538.4178.59
※ 2 M 9.5×0.758.8788.6888.83
※ 2 M 9.5×0.59.0998.9599.06
M10 ×1.58.6768.3768.60
M10 ×1.258.9128.6478.85
M10 ×19.1538.9179.09
M10 ×0.759.3789.1889.33
※ 1M10 ×0.59.5999.4599.56
M11 ×1.59.6769.3769.60
※ 1M11 ×1.259.9129.6479.85
M11 ×110.1539.91710.09
M11 ×0.7510.37810.18810.33
※ 1M11 ×0.510.59910.45910.56
M12 ×1.7510.44110.10610.4
M12 ×1.510.67610.37610.60
M12 ×1.2510.91210.64710.85
M12 ×111.15310.91711.09
※ 2M12 ×0.7511.37811.18811.33
※ 1M12 ×0.511.59911.45911.56
※ 2 M13 ×1.7511.44111.10611.4
※ 1M13 ×1.511.67611.37611.60
※ 2M13 ×1.2511.91211.64711.85
※ 1M13 ×112.15311.91712.09
※ 2 M13 ×0.7512.37812.18812.33
※ 1M13 ×0.512.59912.45912.56
M14 ×212.21011.83512.1
※ 2M14 ×1.7512.44112.10612.4
M14 ×1.512.67612.37612.60
M14 ×1.2512.91212.64712.85
M14 ×113.15312.91713.09
※ 2M14 ×0.7513.37813.18813.33
※ 1M14 ×0.513.59913.45913.56
※ 2 M15 ×213.21012.83513.1
M15 ×1.5 213.67613.37613.60
※ M15 ×1.2513.91213.64713.85
M15 ×114.15313.91714.09
※ 2 M15 ×0.7514.37814.18814.33
※ 1M15 ×0.514.59914.45914.56
M16 ×214.21013.83514.1
M16 ×1.514.67614.37614.60
※ 2 M16 ×1.2514.91214.64714.85
M16 ×115.15314.91715.09
※ 2M16 ×0.7515.37815.18815.33
※ 1M16 ×0.515.59915.45915.56
※ 2 M17 ×215.21014.83515.1
M17 ×1.515.67615.37615.60
※ 2M17 ×1.2515.91215.64715.85
M17 ×116.15315.91716.09
※ 2M17 ×0.7516.37816.18816.33
※ 2M17 ×0.5 ×16.59916.45916.56
M18 2.5 M18 ×215.744 16.21015.294 15.83515.6 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.