Commercial GD&T fonts by Harld Bowers for "geometric dimensioning and tolerancing". And Engineering/Technical fonts in truetype at 15 USD a shot. Architectural CAD drawing fonts. And Make-A-Screw truetype font for 99USD.

EXTERNAL LINKS
HLB Technology
Google search page

INTERNAL LINKS
Commercial fonts (small outfits) ⦿ AutoCAD fonts ⦿ Type designers ⦿ Type designers ⦿ Architectural lettering/typefaces ⦿

Luc Devroye ⦿ School of Computer Science ⦿ McGill University Montreal, Canada H3A 2K6 ⦿ lucdevroye@gmail.com ⦿ http://luc.devroye.org ⦿ http://luc.devroye.org/fonts.html