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58问答库 > CAD怎么画内螺纹？我想画一个M3的螺孔，粗线画直径是3的圆？那细线多大呢？如果是外螺纹又怎么画？

CAD怎么画内螺纹？我想画一个M3的螺孔，粗线画直径是3的圆？那细线多大呢？如果是外螺纹又怎么画？

2025-03-16 17:29:37

推荐回答（1个）

回答（1）：

内螺纹3应该是细线，2.5是粗线。外螺纹，粗线是3，细线是2.5 。

螺纹画法
http://wenku.baidu.com/link?url=syCYoHJCIcbGmToV7Z6J9B0BXxPoFmkhh5R_Ofj85kuhx2N52vdq0j-XzF3f9cchdSiahZwHTL16DBYAbVO1iWhUn1kTj61_6vTkDs55Cxu

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