攻牙底孔的使用参数表一、螺紋下孔徑表1、公制粗牙螺紋 JIS B 0209-1982(單位:mm)內螺紋小徑螺纹尺寸钻头直径螺纹下孔徑最小直径最大直径0.750.78 (80%)0.7290.785M 1 × 0.251.1 × 0.251.2 × 0.251.4 × 0.31.6 × 0.351.8 × 0.352 × 0.42.2 × 0.452.5 × 0.453 × 0.53.5 × 0.64 × 0.74.5 × 0.755 × 0.86 × 17 × 18 × 1.259 × 1.2510 × 1.511 × 1.512 × 1.750.850.951.11.251.451.61.752.12.52.93.33.84.2566.87.88.59.510.30.88 (80%)0.98 (80%)1.14 (80%)1.32 (75%)1.52 (75%)1.65 (80%)1.83 (75%)2.13 (75%)2.59 (75%)3.01 (75%)3.39 (80%)3.85 (80%)4.31 (80%)5.13 (80%)6.13 (80%)6.85 (85%)7.85 (85%)8.62 (85%)9.62 (85%)10.40 (85%)0.8290.9291.0751.2211.4211.5671.7132.0132.4592.853.2423.6884.1344.9175.9176.6477.6478.3769.37610.1060.8850.9851.1421.3211.5211.6791.8382.1382.5993.013.4223.8784.3345.1536.1536.9127.9128.6769.67610.44114 × 216 × 218 × 2.520 × 2.522 × 2.524 × 327 × 330 × 3.533 × 3.536 × 439 × 442 × 4.545 × 4.548 × 5121415.517.519.5212426.529.5323537.540.54312.2 (85%)14.2 (85%)15.7 (85%)17.7 (85%)19.2 (85%)21.2 (85%)24.2 (85%)26.6 (90%)29.6 (90%)32.1 (90%)35.1 (90%)37.6 (90%)40.6 (90%)43.1 (90%)11.83513.83515.29417.29419.29420.75223.75226.21129.21131.6734.6737.12940.12942.58712.2114.2115.74417.74419.74421.25224.25226.77129.77132.2735.2737.79940.79943.297註(1)M1.4以下等級:5H、M1.6以上等級:6H (2)基於JIS B 0209-1982標準2、公制細牙螺紋-01 JIS B 0211-1982(單位:mm)內螺紋小徑螺纹尺寸钻头直径螺纹下孔徑最小直径最大直径2.22.22 (75%)2.1212.221M 2.5 × 0.353 × 0.353.5 × 0.354 × 0.54.5 × 0.55 × 0.52.73.23.544.52.72 (75%)3.22 (75%)3.59 (75%)4.09 (75%)4.59 (75%)2.6213.1213.4593.9594.4592.7213.2213.5994.0994.5995.5 × 0.56 × 0.757 × 0.758 × 18 × 0.759 × 19 × 0.7510 × 1.2510 × 110 × 0.7511 × 111 × 0.7512 × 1.512 × 1.2512 × 114 × 1.514 × 115 × 1.515 × 116 × 1.516 × 117 × 1.517 × 155.36.377.388.38.899.31010.310.510.81112.51313.51414.51515.5165.09 (75%)5.35 (80%)6.35 (80%)7.13 (80%)7.35 (80%)8.13 (80%)8.35 (80%)8.85 (85%)9.13 (80%)9.35 (80%)10.13 (80%)10.35 (80%)10.62 (85%)10.85 (85%)11.13 (80%)12.62 (85%)13.13 (80%)13.62 (85%)14.13 (80%)14.62 (85%)15.13 (80%)15.62 (85%)16.13 (80%)4.9595.1886.1886.9177.1887.9178.1888.6478.9179.1889.91710.18810.37610.64710.91712.37612.91713.37613.91714.37614.91715.37615.9175.0995.3786.3787.1537.3788.1538.3788.9129.1539.37810.15310.37810.67610.91211.15312.67613.15313.67614.15314.67615.15315.67616.15318 × 218 × 1.518 × 120 × 220 × 1.520 × 122 × 222 × 1.522 × 124 × 224 × 1.524 × 125 × 225 × 1.525 × 11616.5171818.5192024.5212222.5232323.52416.2 (85%)16.62 (85%)17.13 (80%)18.2 (85%)18.62 (85%)19.13 (80%)20.2 (85%)20.62 (85%)21.13 (80%)22.2 (85%)22.62 (85%)23.13 (80%)23.2 (85%)23.62 (85%)24.13 (80%)15.83516.37616.91717.83518.37618.91719.83520.37620.91721.83522.37622.91722.83523.37623.91716.2116.67617.15318.2118.67619.15320.2120.67621.15322.2122.67623.15323.2123.67624.153公制細牙螺紋-02 JIS B 0211-1982(單位:mm)內螺紋小徑螺纹尺寸钻头直径螺纹下孔徑最小直径最大直径M26 × 1.527 × 2 24.52524.62 (85%)25.2 (85%)24.37624.83524.67625.21 27 × 1.527 × 128 × 228 × 1.528 × 130 × 330 × 230 × 1.530 × 132 × 232 × 1.533 × 333 × 233 × 1.535 × 1.536 × 336 × 236 × 1.538 × 1.539 × 339 × 239 × 1.540 × 340 × 240 × 1.542 × 442 × 342 × 242 × 1.545 × 445 × 325.5262626.527272828.5293030.5303131.533.5333434.536.5363737.5373838.538394040.5414225.62 (85%)26.13 (80%)26.2 (85%)26.62 (85%)27.13 (80%)27.2 (85%)28.2 (85%)28.62 (85%)29.13 (80%)30.2 (85%)30.62 (85%)30.2 (85%)31.2 (85%)31.62 (85%)33.62 (85%)33.2 (85%)34.2 (85%)34.62 (85%)36.62 (85%)36.2 (85%)37.2 (85%)37.62 (85%)37.2 (85%)38.2 (85%)38.62 (85%)38.1 (90%)39.2 (85%)40.2 (85%)40.62 (85%)41.1 (90%)42.2 (85%)25.37625.91725.83526.37626.91726.75227.83528.37628.91729.83530.37629.75230.83531.37633.37632.75233.83534.37636.37635.75236.83537.37636.75237.83538.37637.6738.75239.83540.37640.6741.75225.67626.15326.2126.67627.15327.25228.2128.67629.15330.2130.67630.25231.2131.67633.67633.25234.2134.67636.67636.25237.2137.67637.25238.2138.67638.2739.25240.2140.67641.2742.252
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