... bar pitch:50-100mm 3.surface processing:hot dipped galvanize 1) Bearing Bar (Load Bar) Specifications (mm):The specification of plain ... is available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4),(19-w ... requirement and 50, 100mm are recommended, America standard is available. 4) Material:Mild Steel (Low Carbon Steel) or Stainless Steel 5 ...