The "P" and "B" notations on the forming tap shank represent chamfer length .
In the New Roll Tap (NRT), P (=Plug) is for through hole machining and chamfer length 4P, and B (=Bottoming) is for blind hole machining and is chamfer length 2P.
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No : 580
公開日時 : 2019/02/26 18:10
更新日時 : 2023/05/09 11:45
カテゴリー：
General
A interrupted -shaped tap is a type of tap for tapered threads, in which the peak of the complete tap thread is removed so that it jumps into a single peak.
Tapered taps for pipes perform thin cutting even in fully threaded parts.
By reducing the number of threads in the thinly cut part, the interrupted typ
No : 647
公開日時 : 2019/02/26 18:10
更新日時 : 2022/06/16 14:50
カテゴリー：
General
NPTF has shallow valleys and sharp mountains.
They crush each other and fit together, resulting in screws that do not require a sealing material.
Therefore, the NPT and NPTF cannot share tools.
No : 648
公開日時 : 2019/02/26 18:10
更新日時 : 2020/09/15 11:49
カテゴリー：
General