戻る
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.
米式管用ねじの違い ｎｐｔとｎｐｔｆの違いは？ | オーエスジー
Difference Between American Pipe Screws What is the difference between NPT and NPTF?
No : 648
公開日時 : 2019/02/26 18:10
更新日時 : 2020/09/15 11:49
