Theoretical Machinist Charts

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Machinist drill and tapping charts plus utilities

- 6 Customizable charts:

- Decimal Equivalents

- Drill letters, number and number screw sizes

- Fractions from

1/2" to 1/512" increments up to an inch

- Metric increments from

1.0mm to 0.125mm up to 25mm

- Drill Point Calculator

- Cutting Tap drill size chart

- Cutting Tap drill size Calculator,

Metric & Imperial

- Cutting Tap drill size

by Percentage

- Cold Forming tap drill size chart

- Cold Forming Tap drill size Calculator,

Metric & Imperial

- Cold Forming tap drill size

by Percentage

- Pipe Tap & Die threads chart

- UNC, UNF, UNEF, UNS, UN

- ISO Metric: Coarse, Fine

- NPT, NPTF, NPS, NPSF, BSPT, BSPP

- Keeps track of what you last looked at

- Simple to use:

Scroll up and down. Swipe left and right

- 1,993 data entries

- Portrait and landscape mode

- Available on:

iOS ( 5.0+) Android (2.2, 2.3, 4.0+)

- Supported languages:

English, Français