Design Reference
Machinery’s Handbook, 26th ed.
Roark's Formulas for Stress and Strain, 7th ed.
Drawing Reference
Dimensioning and Tolerancing Handbook
Material References
Materials Information Resource
Military Handbook MIL-HDBK-5H: Metallic Materials and Elements for Aerospace Vehicle Structures
http://www.knovel.com/knovel2/Toc.jsp?BookID=754&VerticalID=0
CSA Boiler, Pressure Vessel and pressure piping code
A comprehensive directory of industrial suppliers. Look here to find sources for almost anything!
An "engineering search engine". It is similar to ThomasNET, and is useful to help find vendors and catalog items.
An excellent interactive engineering catalog for bearing selection.
Stock Drive Components/Sterling Instruments
A comprehensive on-line catalog of mechanical components.
You can download 3D CAD models to use in your CAD assembly.
Over 465,000 products, the website is easily searchable with full technical specifications.
Miscellaneous topics
