Plate Chequered-M.S. thickness : 06 mm-Size : 2500 x 1250 , IS 2062 . Cheq. Plate ASTM A 786 / ASTM A 36 Chequered Plate 6 mm thick . nforming to ASTM A 786 / ASTM A 36, pattern 4 or 5 . Aluminum Alloy Chequered Plate for Fabricated Parts . Anti-skid flooring sheet in one bar pattern, Alum plate Chequered with diamond design,