丝锥与钻头的使用参数

丝 锥 和 钻 头 的 使 用 参 数 表一 、螺紋下孔徑表1、公制粗牙螺紋JISB0209-1982(單位：mm)註(1)M1.4以下等級：5H、M1.6以上等級：6H (2)基於JISB0209-1982標準螺纹尺寸钻 头 直径螺纹下孔徑內螺紋小徑最小直径最大直径M 1× 0.250.750.78(80%)0.7290.7851.1× 0.250.850.88(80%)0.8290.8851.2× 0.250.950.98(80%)0.9290.9851.4× 0.3 1.11.14(80%)1.0751.1421.6× 0.351.251.32(75%)1.2211.3211.8× 0.351.451.52(75%)1.4211.5212 × 0.41.61.65(80%)1.5671.6792.2× 0.451.751.83(75%)1.7131.8382.5× 0.452.12.13(75%)2.0132.1383 × 0.52.52.59(75%)2.4592.5993.5× 0.6 2.93.01(75%)2.8503.0104 × 0.73.33.39(80%)3.2423.4224.5× 0.753.83.85(80%)3.6883.8785 × 0.84.24.31(80%)4.1344.3346 × 155.13(80%)4.9175.1537 × 166.13(80%)5.9176.1538 × 1.256.86.85(85%)6.6476.9129 × 1.257.87.85(85%)7.6477.91210 × 1.58.58.62(85%)8.3768.67611× 1.59.59.62(85%)9.3769.67612 × 1.75 10.310.40(85%)10.10610.44114 × 21212.2(85%)11.83512.21016× 21414.2(85%)13.83514.21018× 2.515.515.7(85%)15.29415.74420 × 2.517.517.7(85%)17.29417.74422 × 2.519.519.2(85%)19.29419.74424 × 32121.2(85%)20.75221.25227 × 32424.2(85%)23.75224.25230 × 3.526.526.6(90%)26.21126.77133 × 3.529.529.6(90%)29.21129.77136 × 43232.1(90%)31.67032.27039× 43535.1(90%)34.67035.27042× 4.537.537.6(90%)37.12937.79945× 4.540.540.6(90%)40.12940.79948× 54343.1(90%)42.58743.2972、公制細牙螺紋、公制細牙螺紋-01-01JISB0211-1982(單位：mm)螺纹尺寸钻头直径螺纹下孔徑內螺紋小徑最小直径最大直径M 2.5× 0.35 2.22.22(75%)2.1212.2213× 0.352.72.72(75%)2.6212.7213.5× 0.35 3.23.22(75%)3.1213.2214× 0.53.53.59(75%)3.459 3.5994.5× 0.544.09(75%)3.959 4.0995× 0.54.54.59(75%)4.459 4.5995.5× 0.555.09(75%)4.959 5.0996× 0.755.35.35(80%)5.1885.3787× 0.756.36.35(80%)6.1886.3788× 177.13(80%)6.9177.1538× 0.757.37.35(80%)7.1887.3789× 188.13(80%)7.9178.1539× 0.758.38.35(80%)8.1888.37810× 1.258.88.85(85%)8.647 8.91210× 199.13(80%)8.9179.15310× 0.759.39.35(80%)9.1889.37811× 1101...