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  • About/Contact
  • Projects
    • Rocket Fin Jig
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    • Organization
    • Mill Workbench
    • Notebooks
  • The Mitch Blog

The Mitch blog

what's all this thread pitch business?

2/10/2016

2 Comments

 
If you've ever bought SAE (American) fasteners, you've no doubt seen the initials "UNC" and "UNF". What do they mean? Which is better? And what are "UNRC" and "UNRF"? Read on to find out!
Picture
So many weird acronyms on our Holo-Krome selector.

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