O ti wa ni ko pataki lati Punch countersunk ihò lati fa rivets pẹlu evacuated yika olori.
https://www.yukerivet.com/news/do-countersunk-head-rivets-require-countersunk-holes/
Akoko ifiweranṣẹ: Oṣu Kẹwa-12-2022
O ti wa ni ko pataki lati Punch countersunk ihò lati fa rivets pẹlu evacuated yika olori.
https://www.yukerivet.com/news/do-countersunk-head-rivets-require-countersunk-holes/