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Drill Wiz


4.8 ( 9088 ratings )
مرجع الإنتاجية
المطور: Kathi Stringer
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Drill Wiz is a tool for Drill and Tap charts used in machine shops. Also conversion utility for "metric to inch" and "inch to metric". For example, just type in your inch size and the result is produced in metric. This has been used by a machinist for many years. Quick and easy reference - a must have for any serious machinist, engineer or hobbyist.

Chart 1 lists drill size comparison for drill types - Fraction, Wire, Letter and Metric. Chart 2 lists drill sizes required for standard taps. Chart 3 lists all drill sizes required metric taps - including thread percentage.

Do you want to tap a 10-32 thread? Just refer to Drill Wiz for the drill size. That would be a #21 drill. Same with metrics. Another example, do you want to drill a .262 hole size? Use Drill Wiz to find the closest drill size, which is .261, a letter G drill. There are many possibilities and uses for Drill Wiz!