螺丝内外径参考表.doc

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1、公制英制美制规格内径（MM）外径（MM）规格内径（MM）外径（MM）规格内径（MM）外径（MM）M12×1.510.35121/8×20牙8.5669.7287/16×20牙9.7411.7M12×1.2510.625121/4×19牙11.44513.1571/2×20牙11.3312.7M14×1.512.35143/8×19牙14.9516.6629/16×18牙12.7614.06M16×1.514.35161/2×14牙18.63120.9555/8×18牙14.3515.81M18×1.516.35185/8×14牙20.58722.91111/16×16牙15.8017.

2、50M20×1.518.35203/4×14牙24.11726.4413/4×16牙17.3319.05M22×1.520.35221〃×11牙30.29133.24913/16×16牙18.92320.599M24×1.522.352411/4×11牙38.95240.9107/8×14牙20.5622.4M26×1.524.352611/2×11牙44.84547.8031〃×14牙23.2925.40M27×1.525.35272〃×11牙56.65659.61411/16×12牙24.726.98M27×224.42713/16×12牙28.4030.16M30×1.528.3

3、53015/16×12牙31.0533.33M30×227.830公制17/16×12牙34.3936.51M33×230.833M42×239.84215/8×12牙38.9841.27M36×233.836M45×242.845111/16×12牙40.7442.86M39×236.839M52×249.85217/8×12牙45.3347.22