What's New

Version 1.1 includes:
- Increased performance (lower memory usage)
- New home screen layout and info section
- New artwork

App Description

An easy-to-use set of charts for viewing various drill bit size types and their decimal inch and metric size conversions. No typing required, just tap the required size type, and scroll through the chart to find your drill size.

Tables include common drill bit size types:
- US Number and Letter Gauge Sizes
- Fractional-Inch Sizes
- Metric Sizes
- A table with all types combined, for easy comparison of sizes

A helpful reference tool for anyone dealing with drills of various types: engineers, trades-men, students, tool makers, fitters and turners, fabricators, etc.


If you find this app useful, please leave a review on the App Store.

If you have suggestions, requests, or need support, feel free to contact us through the support link to our website below.

iPhone Screenshots

(click to enlarge)

Drill Size Charts - Drill bit size tables to show US Number / Letter and Fraction Inch sizes in Decimal Inch and Metric Conversions screenshot 1 Drill Size Charts - Drill bit size tables to show US Number / Letter and Fraction Inch sizes in Decimal Inch and Metric Conversions screenshot 2 Drill Size Charts - Drill bit size tables to show US Number / Letter and Fraction Inch sizes in Decimal Inch and Metric Conversions screenshot 3 Drill Size Charts - Drill bit size tables to show US Number / Letter and Fraction Inch sizes in Decimal Inch and Metric Conversions screenshot 4 Drill Size Charts - Drill bit size tables to show US Number / Letter and Fraction Inch sizes in Decimal Inch and Metric Conversions screenshot 5

App Changes

Other Apps From Chewy Applications Ltd.