Lathe · Mill
Threads & tap drills
Type the thread as it's written on the print. Get the tap drill at the right % of thread, the nearest standard drills, the thread's sizes, a 3-wire check, and tapping RPM.
Tap drill
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As written on the print: UNC, UNF, UNEF or metric
Sets the % of thread and the tapping speed
Leave blank for OSG’s suggestion
Looking for a standard size? See the tap drill charts for every UNC, UNF, UNEF and metric thread.