Below are a selection of useful catalogs for finding components for work term or school term projects. Between the listed catalogs almost all fasteners required for any project's scope can be found through the links.
Spaenaur Catalog
https://spaenaur.com/download/
MISUMI Catalog
https://us.misumi-ec.com/vona2/mech_screw/
McMaster-Carr Catalog
https://www.mcmaster.com/screws/
Unbrako Catalog
http://www.unbrako.com/images/downloads/unbrako_catalog.pdf
Stanley Engineering Catalog
https://catalog.stanleyengineeredfastening.com/