THE DEFINITIVE GUIDE TO HARGA BESI HOLLOW

They act transferring the forces by way of mechanical interlock. This fastening know-how is Utilized in steel-to-steel connection, As an example to attach cold-shaped profiles. A screw is inserted into your base substance through a gas actuated fuel gun.Pelaksanaan pemasangan meruakan faktor penentu kuat atau tidaknya angkur sebagai jangkar/pengika