... 1.Galvanized steel grid 2.ISO 9001:2000 3.ASTM A123,SS400 4.Common pitch:30mm&40mm 5.Used in flooring,walkway No ... 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4 ... ''x1/8'', 1 1/ ... -w-2, 15-w-2 etc. 3Twisted Cross Bar Pitch38.1, 40,50, 60, 76, 80, 100, 101.6, ...