EngMachRef is the premiere iOS reference application for Engineers, Machinists, Designers, Draftsman and Hobbyists. It has all the tables and calculators you need to successfully design and fabricate machined parts!

Everything in Customary (inches) and Metric units! (unless noted)

Calculators are pre-loaded with data for turning, milling and drilling for all common materials!

The following are included:

Screws and Threads
- Standard Counterbores (UNS)
- Standard Hole Clearances (UNS)
- Tap Chart (UNS)

- Standard drill sizes
- Speed (RPM) Calculator
- Feed Calculator

- Common Material Properties
- Standard Stainless Steel Sheet Thickness
- Standard Aluminium Sheet Thickness
- Standard Steel Sheet Thickness

Download in the App Store now!

For Andriod and other users try our partial web implimentation here

Contact us with comments, ideas and suggestions
Click here for support

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© 2013 Bayard Design LLC