管用テーパタップtptはステップ加工が出来るか | オーエスジー

Can the pipe taper Tap TPT be processed in steps?

Stepping with a Tap is not recommended because unlike drilling, chips will bite into the Tap thread.

In addition, when step machining is performed with a tapered Tap for pipes, the contact area is large when the machining point is separated from the processing point and processed again, and unstable behavior such as runout is likely to occur. Therefore, it is recommended to process tapered Tap for pipes in a non-step manner.