沉头内六角螺钉 STEP 文件
Countersunk socket screws (ISO 10642) with the 90° head angle, M3–M16. Useful for matching countersink angles and designing flush, recessed joints.
免费 3D CAD 模型（STEP AP214）。依据实际标准尺寸建模，按免费库惯例螺纹作简化处理（plain shank）。
标准: ISO 10642 / DIN 7991 / KS B 1017 / JIS B 1194
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M3x6M3x8M3x10M3x12M3x14M3x16M3x18M3x20M3x25M4x6M4x8M4x10M4x12M4x14M4x16M4x18M4x20M4x25M4x30M5x8M5x10M5x12M5x14M5x16M5x18M5x20M5x25M5x30M5x35M5x40M6x8M6x10M6x12M6x14M6x16M6x18M6x20M6x25M6x30M6x35M6x40M6x45M6x50M8x10M8x12M8x14M8x16M8x18M8x20M8x25M8x30M8x35M8x40M8x45M8x50M8x55M8x60M10x16M10x18M10x20M10x25M10x30M10x35M10x40M10x45M10x50M10x55M10x60M10x65M10x70M10x80M12x20M12x25M12x30M12x35M12x40M12x45M12x50M12x55M12x60M12x65M12x70M12x80M16x25M16x30M16x35M16x40M16x45M16x50M16x55M16x60M16x65M16x70M16x80M16x90M16x100
在 CAD 中使用这些 STEP 文件
- STEP AP214 格式，可在 SolidWorks、Inventor、Fusion、CATIA、NX、FreeCAD 等大多数 CAD 中直接打开。
- 按免费库惯例，螺纹未建模（plain shank）。用于布置、干涉与制图，而非紧固仿真。
- 所有尺寸均采用相应标准的公称值。对公差敏感的精密用途，请一并查阅规格表中的允许偏差。