THE DEFINITIVE GUIDE TO HARGA BESI HOLLOW

They act transferring the forces via mechanical interlock. This fastening technology is used in steel-to-steel connection, For illustration to attach chilly-fashioned profiles. A screw is inserted in the base material via a gas actuated gasoline gun.Meskipun penggunaan angkur umumnya terbatas pada bangunan baru, namun dapat digunakan dalam berbagai