Izahay dia mpanamboatra manam-pahaizana manokana sy mpamatsy vy na fantsona an-tsokosoko, miaraka amin'ny valin-draharaham-barotra mifandraika amin'izany toy ny fastanized fasteners, gotvanized sy fitrandrahana bizina (buttweld, fakana, fametahana, fametahana, fametahana, fanakorontanana, fametahana, fametahana, fametahana.
Fenitra:ASTM A53, ASTM A106, en10255, en10219, en10210, 59, BS1387, ASTM A500, ASTM A36, API 5L, ISO 65, Jis345, DIN 3444, DIN 3444, DIN 344440, Ansi
Grales:A53, A106 Gr., gr.b, gr.c, S235, S275, S355, A36, SS400, Q195, Q345, Q345