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Drill Tap

This app can be used to calculate different size drills, taps, bolts, screws, and nuts. It is intended for approximate calculations and should be used for reference only.
Category Price Seller Device
Utilities $0.99 ITAMCO iPhone, iPad, iPod

Great reference for machinists, shops, designers, and engineers.

English: #0-80 through 1-1/2-18 (UNC, UNF, UNS, UNEF)
Metric: M1x0.25 through M30x1.5 course and fine

United National Coarse (UNC), United National Fine (UNF), United National Extra Fine (UNEF), United National Special (UNS), Metric Course, Metric Fine, Metric Extra Fine. Handy fraction to decimal drill chart and NPT / NPS pipe thread chart.

Table Chart for Keenserts Keylocking Thread Inserts.

Reviews

very helpful
Dipsos1

this app isvery helpful i use it almost daily. it is also the best free app like it. & i tried a few. thnx.


Best Drill Tap App
TheMetallurgist

This is the best app on the app store for drilling and tapping!!!


great
ioana.ghiurcusor

This is a complex application. Lots of functionality for a well made application at a good price point.


Good
DebNMN

Seems to be very accurate, can help save a lot of time.


Wonderful!
dacdac99

Wonderful! Full specs on taps, screws, bits, etc. with diagrams and full dimensions. Extremely handy to have on hand at all times.


Great app!
Jamie11885

This is a great app for someone needing it. This one really has it all from very basic info to in depth dimensions of every type of screw, bolt, or bit


Pretty handy
Sodaguy

There is a lot of info in this app that is way over my head but I found the conversions to be helpful.


Nice
Med_dea

Needs to be more polished but the functionality of the app is nice. Offers lots of info that I haven't found anywhere else. A must try


great for engineers
sohaybgiroush

Awesome app for engineers and engineering students as well helps calculate sizes eeasily. It makes your life easier!!


A+
Jaymo71

Been using this for a while and thought I'd already reviewed it but i guess not. I want to thank the developer for his quick response when i asked if he could include keensert information. This is my #1 assistant in the shop. Very useful.


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