
Parts and features
Part modeling guides for cosmetic and modeled threads, Hole Wizard holes and thread callouts, and for changing a part's material so mass, BOM entries and Simulation inputs follow. I'd use cosmetic threads for ordinary machined holes and stock fasteners.
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Parts and features
How to make threads in SOLIDWORKS, cosmetic or modeled
Cosmetic threads for drawing callouts, modeled geometry for printing and close views. A shaft-and-hole workflow with drawing import and interference checks.
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Parts and features
How to change or assign a material in SOLIDWORKS
Assign the physical material to the intended part, body, component and configuration, then check density, linked BOM properties and any separate Simulation assignment.

