... 3.Installation simple and rapid Highspeed fence board is made up of uncoiler ,leveling machine ,punching machine ,forming machine ,shearing ... Φ 80 mm (material 45 # through the quenching and tempering treatment), roll materials for GCR15, quenching HRC58 ° to 62 °, the surface hard ... rack is 60 mm × 40 mm ,square tube welding (up and down adjustable)(2)Want to install on sliding roundSpecification ...