Tap And Drill Chart Calculator

This app is a lifesaver. I think the best feature is that you can tap on any section of the chart and cross reference drills to taps and taps to drill sizes. Thank you.

A great app with one minor issue. I wish it would close when I click the back button twice.

Thanks for making this. We can never get rid of this stupid fraction system but technology makes it a bit more tolerable.

Great app,,,a good tweak would be in addition to the hex wrench size if it also listed the hex key size for sockst head screws

Easy to use app,handy and very helpful.

Missing lots of info that old "drill bit charts" app included.

Wow this app is awesome. Saves the tedious time of looking for the drill size, in metric and imperial, for the tap you are using. Thank you Mr Miller.

Easy to use and much faster than walking across the shop floor to get the drill chart.

I have a paper chart, now I can just use this E-Chart. Thx for the ad free app

excellent. Does exactly what it should and nothing it shouldn't. I would happily donate for a job well done!

Nice... except back button button Dose not close app. Have to use the menu. Annoying, uninstalled it.

Excellent, exactly what I need presented in a nice format.

Easy to use and accurate, very convenient app

Thank you for this app. l have successfully used it many times now with no trouble and have recommended its use to others.

Great goto app with zero ads

Exactly what it says and nothing else. Great job!

Exactly what is needed....give you drill number and fraction size.

Easy to use and no useless junk in it

Handy app easy to use.

thank you. exactly the tool needed.

Works great just what I needed

Needs to be updated badly....Mr Developer are you even reading any of these 🤔

Clearance drill size not in chart

I use the app often, very good app

nice to info at hand when i need it.

easy to use

Perfect guide for bolts and threads

It help me my job.thank you for making this app.

need to add 11mx1.5, 12mx1.5

This app needs an NPT chart