Nut and Bolt Stress Calculators
This is the place to find UN/Unified nut and bolt dimensions/thread dimensions/sizes and stress calculators.
Common Bolt Types
#00, #000, #0000
UNR, UNJ, M, MJ
Click on UNC if you can't decide.
Acme, Stub Acme, Stub 60, Buttress, and others
Mistakes in Engineering Textbooks
This site is maintained by
Dr. Roy Maltby