[sdiy] Inches and metric equivalent

[Don't t(h)read on my tentacles, Earthling!]

I just found this doc for easy reference. I thought it'd be of use for 
some.

It includes drills, screw heads… as just simple inches and millimeters

http://www.sdp-si.com/D790/PDF/D790Ref.pdf

Denis =G)
Size Queen meeeeee?