“SERRATED GRATING, SPECIFICATION AS ATTACHED DRAWING SERRATED TYPE GRATING (SARRATED ON BEARING BARS, TWIST ON CROSS BARS),
BEARING BAR SIZE -THICKNESS:4 MM,DEPTH:20MM; PITCH:30MM ;
CROSS BAR SIZE -THICKNESS:3MM,DEPTH:20MM, PITCH:100MM” NA.NA.IMPA 76-18/19
“STEEL EQUAL ANGLE – HOT ROLLED
( FOR WINCH PLATFORM)
WIDTH:65MM,DEPTH: 65MM, THICKNESS:6MM” NA.NA.670609