A complete tutorial showing 3d modelling of CPU Fan in Autocad with each step explained in detail. For more 3d drawings and great autocad tutorials go to https://www.thesourcecad.com
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In this video I explain and show you how to find out what size and strength of bolt you need. Also to determine if it is metric or standard. To answer those questions like, How to find out what bolt I have. Thanks for watching.