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The team prefers even numbered UNC fasteners through #10 thread. Exceptions should be considered on a case by case basis. Fasteners should have a corrosion treatment, either plating or black oxide. 

Solidworks Toolbox

Solidworks toolbox components shall not be used on flight parts. In order to generate an accurate bill of materials, a part number that can be referenced to a manufacturer should be used. Example: you are creating the assembly for the motor case and adding in the bolts. You know you need a UNC 1/4-20 5/8 cap head bolt. You may not insert it from the solidworks toolbox. You may download the file from McMaster-Carr and add it to the assembly that way.