This product includes a professional 3D CAD kit of Metric ISO screws,designed for mechanical engineering, CNC machining, automotive components,and industrial assemblies.

Included ISO standards:– ISO 4017: Hex Bolt (full thread)– ISO 4762: Socket Head Cap Screw– ISO 10642: Countersunk Socket Head Screw

Metric sizes included:M3, M4, M5, M6, M8, M10, M12(3 standard lengths per diameter)

File formats included:– STEP (.stp)– IGES (.igs)– STL (.stl)

All models follow ISO metric thread profiles (60°) and are suitable forCAD assemblies, technical drawings, and engineering reference.

Commercial use allowed.Redistribution or resale of original files is prohibited.