
Madaxa bolt-ka isdhaafka ah ee countersunk waa mid toosan oo si buuxda loogu dhejin karaa dusha sare ee qaybaha ku xiran si loo ilaaliyo muuqaal siman (GB/T 68 heerka). Alaabooyinka caadiga ah waa birta kaarboon, birta aan la taaban karin ama balaastikada injineernimada (sida naylon 66), oo leh midab galvanized ama dabiici ah oo dusha sare ah.
Madaxa bolt-ka isdhaafka ah ee countersunk waa mid toosan oo si buuxda loogu dhejin karaa dusha sare ee qaybaha ku xiran si loo ilaaliyo muuqaal siman (GB/T 68 heerka). Alaabooyinka caadiga ah waa birta kaarboon, birta aan la taaban karin ama balaastikada injineernimada (sida naylon 66), oo leh midab galvanized ama dabiici ah oo dusha sare ah.
Madaxa bolt-ka isdhaafka ah ee countersunk waa mid toosan oo si buuxda loogu dhejin karaa dusha sare ee qaybaha ku xiran si loo ilaaliyo muuqaal siman (GB/T 68 heerka). Alaabooyinka caadiga ah waa birta kaarboon, birta aan la taaban karin ama balaastikada injineernimada (sida naylon 66), oo leh midab galvanized ama dabiici ah oo dusha sare ah.
Shirkadeena inta badan waxay soo saartaa oo iibisaa boolal koronto oo kala duwan, hoops, accessories photovoltaic, qaybo ka mid ah qaab dhismeedka birta, iwm.