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Machining Tips from Dormer - Threading

Posted by D.P. on

When forming a thread, the tapping hole size depends on the work-piece material being drilled, the cutting conditions selected and the equipment used.

If material is pushed up at the thread entry by the tap and/or the life of the tap is too short, select a slightly larger drill diameter. If the profile of the thread formed is insufficient, then select a slightly smaller drill diameter.

View our DORMER PRAMET Drill and Tap tools!