... wire plain or twill weave usually used in the construction. Steel grating1> Bearing bar pitches may be 15 to 22, 25, ... , of which 50mm, 76mm and 100mm are recommended.3> Steel grating is made by the world first-class equipment, which can arrange ... cylinder bolt M10.C) Welding method is angle welding at the first bearing bar of every corners on the grating. offer the steel grating