Machinist Handbook - The App by Kirk Mahr (Universal)
Released: Dec 30, 2014
Size: 35 MB
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Ranking - Business (iPhone)

Ranking - Business (iPad)

Machinist Handbook - The App

Kirk Mahr
Screenshot #1 (iPhone)
An important tool to have in every machinist's hand.

The app includes a lot of information and calculations required in every day shop use.

Tapping, drill sizes, feeds speeds for various materials including roll form taps.
Three-Wire Thread Measurement in for 60-V threads both metric and inch.
Combination Drill & Countersink depth calculator from #00 through #10 sizes.
Spot Drill Depths for various tool angles.
Chart of Collet types, sizes used in CNC Milling holders ordered from best to worst.
Cusp height calculation for ball nose end mills with RMS values.
SFM to RPM and vise versa based on effective cutting diameter.
Sine Bar / Sine Plate calculation.
Gage Block Stack Height List, can be used with the sine bar calculator.
Material Properties database.
Weight of basic shapes (angle, rectangle, hex, round, pipe, tube) per material and length, good for planning and quoting.
Sheet Metal Gages.
Thermal Expansion calculator.
Speed and feed calculator based on tool type, tool material and material to cut.
Chamfer Mill calculator to achieve desired chamfer size.
Reamer Drill Size
Basic screw dimensions and clearances. Flathead, shoulder bolts, low head and standard socket head.

What's new in version
Because of users feedback - Thank you!
Added Right Triangle calculator to Shop Math
Changed accuracy in Countersink calculator.
Our verdict: Meh!
  • Machinist Handbook - The App is a poorly rated app (2-star).
  • + It is currently 19% off its regular price.
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