ドリルのインチミリ換算表参考資料154０” １” mm25.40 0.40 25.80 0.79 26.19 1.19 26.59 1.59 26.99 1.98 27.38 2.38 27.78 2.78 28.18 3.18 28.58 3.57 28.97 3.97 29.37 4.36 29.76 4.76 30.16 5.16 30.56 5.56 30.96 5.95 31.35 6.35 31.75 6.75 32.15 7.14 32.54 7.54 32.94 7.94 33.34 8.33 33.73 8.73 34.13 9.13 34.53 9.53 34.92 9.92 35.32 10.32 35.72 10.72 36.12 11.11 36.51 11.51 36.91 11.91 37.31 12.30 37.70 12.7038.10２” ３” ０” 50.8076.2051.20 76.60 33／64 51.59 76.99 17／32 51.99 77.39 35／64 52.39 77.79 9／16 52.78 78.18 37／64 53.18 78.58 19／32 53.58 78.98 39／64 53.98 79.38 5／8 54.37 79.77 41／64 54.77 80.17 21／32 55.16 80.56 43／64 55.56 80.96 11／16 55.96 81.36 45／64 56.36 81.76 23／32 56.75 82.15 47／64 57.15 82.55 3／4 57.55 82.95 49／64 57.94 83.34 25／32 58.34 83.74 51／64 58.74 84.14 13／16 59.13 84.53 53／64 59.53 84.93 27／32 59.93 85.33 55／64 60.32 85.72 7／8 60.72 86.12 57／64 61.12 86.52 29／32 61.52 86.92 59／64 61.91 87.31 15／16 62.31 87.71 61／64 62.71 88.11 31／32 63.10 88.50 63／64 63.5088.90０” １” ２” mm25.4050.8013.10 38.50 63.90 13.49 38.89 64.29 13.89 39.29 64.69 14.29 39.69 65.09 14.68 40.08 65.48 15.08 40.48 65.88 15.48 40.88 66.28 15.88 41.28 66.68 16.27 41.67 67.07 16.67 42.07 67.47 17.06 42.46 67.86 17.46 42.86 68.26 17.86 43.26 68.66 18.26 43.66 69.06 18.65 44.05 69.45 19.05 44.45 69.85 19.45 44.85 70.25 19.84 45.24 70.64 20.24 45.64 71.04 20.64 46.04 71.44 21.03 46.43 71.83 21.43 46.83 72.23 21.83 47.23 72.63 22.22 47.62 73.02 22.62 48.02 73.42 23.03 48.42 73.82 23.42 48.82 74.22 23.81 49.21 74.61 24.21 49.61 75.01 24.61 50.01 75.41 25.00 50.40 75.80 ３” 76.2089.30 89.69 90.09 90.49 90.88 91.28 91.68 92.08 92.47 92.87 93.26 93.66 94.06 94.46 94.85 95.25 96.65 96.04 96.44 96.84 97.23 96.63 98.03 98.42 98.82 99.22 99.62 100.01 100.41 100.81 101.20１”＝25.4mm ０” 1／64 1／32 3／64 1／16 5／64 3／32 7／64 1／8 9／64 5／32 11／64 3／16 13／64 7／32 15／64 1／4 17／64 9／32 19／64 5／16 21／64 11／32 23／64 3／8 25／64 13／32 27／64 7／16 29／64 15／32 31／64 1／2 ドリルのインチ ー ミリ換算表
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