Theoretical Machinist Smartphone Apps

TheoreticalMachinist Charts

Machinist drill and tapping charts plus utilities

Now at version 1.3

• 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