公称直径×螺距M3×0.35M4×0.5M5×0.5M6×0.75M8×0.75M8×1M10×0.75M10×1M10×1.25M12×1M12×1.25M12×1.5M14×1M14×1.5M16×1M16×1.5M18×1M18×1.5M18×2M20×1M20×1.5M20×2M22×1M22×1.5M22×2M24×1M24×1.5M24×2M27×1M27×1.5M27×2螺纹精度等级6H大径最小34568810101012121214141616181818202020222222242424272727中径最大最小2.8632.7733.7753.67.77.6755.55.5137.57.5137.57.359.59.5138.59.359.34.18811.5111.3511.36811.18811.21611.02613.5113.3513.21613.02615.5115.3515.21615.02617.5117.3517.21617.02616.91316.70119.5119.3519.21619.02618.91318.70121.5121.3521.21621.02620.91320.70125.5223.3523.22623.02622.92522.70126.5226.3526.22626.02625.92525.701小径最大最小2.7212.6213.5593.4594.5994.4595.3785.1887.3787.1887.1536.9179.37.18.1538.9178.9128.711.15310.91710.91210.710.67610.37613.15312.91712.67612.37615.15314.91714.67614.37617.15316.91716.67616.37616.2115.83519.15318.91718.67618.37618.2117.83521.15320.91720.67620.37620.2119.83523.15322.91722.67622.37622.2121.83526.15325.91725.67625.37625.2124.835攻丝前钻头直径2.653..55.27.279.298.81110.810.51312.51514.51716.5161918.5182120.5202322.5222625.525
