I am a fan of Lean, but the amount of fundamental data that Industrial Press has packed into this shirt pocket guide amazed me and will amaze you, too. It contains not only the math, geometry and trig functions that you would expect, but also the letter addresses used in numerical control, G-code addresses and M codes for miscellaneous functions.
It also includes drawing standards for ASME and ISO; conversion factors, inch to metric, metric to English, fractional to decimal, and hardness scales conversion; surface texture produced by common production methods; ISO fits and nomenclature for holes and shafts; screw and screw thread data; sample calculations for milling, drilling and turning.
Bonus content as far as I’m concerned, includes two illustrated pages on sine bar and dovetail slide measurement and calculation.
At $19.95 a copy, this reference could solve 80 percent of your shopfloor and engineering estimating reference needs. And avoid getting carpal tunnel from trying to "one hand” your usual reference. Click here for purchase the Engineers Precision Data Pocket Reference.
Well done, Steve Heather and Industrial Press.