Puas yog qhov muag tsis pom rivets nrog lub tiaj dig muag rivets ntawm ob sab yuav tsum tau countersunk ntawm ob sab ntawm cov khoom?

Thov saib daim duab schematic ntawm riveting.Yog tias koj xav ua kom nws tiaj tus ntawm ob sab, koj yuav tsum punch qhov ntawm ob sab.