Yika ori afọju rivets ko nilo chamfering, won yoo jade lati dada lẹhin riveting, nigba ti countersunk ori afọju rivets yẹ ki o wa chamfered nipa 120 °, ati awọn ti wọn yoo wa lori kanna ofurufu bi awọn awo lẹhin riveting.
Akoko ifiweranṣẹ: Mar-31-2022