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最少5个å—符最少5个å—符 The Measurements Allowed Error,The Exact Size Is Based On Real Object mm Thread Size M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10Thread diameterd 2 2.5 3 3.5 4 5.3 6 8 10Head Diameterdk 3.1 4.1 5 5.5 6.5 8.4 9.8 13 17.1Thickness of the headsk 1.1 1.5 1.7 2 2.2 2.9 3.4 4.5 6最少5个å—符