... pitch:40mm cross bar:6mm pitch:100mm 25x3 Floor Grating/Steel Grating: Material:galvanized iron Q195 bearing bar;25x3mm pitch ... ) 20x3,25x3,25x4,30x3,32x5,40x3Serrated Steel Grating:Serrated steel grating is made up of serrated bearing bars. ... proof besides with the general characteristics of the plain grating. It is usually used in the wet, oily ... 253) 20x3,25x3,25x4,30x3,32x5,40x3 25x3 Floor Grating