D. H. Exports Pvt. Ltd. Supplies Polished and Ground Stainless Steel Square Bars. D. H. Exports Pvt. Ltd. Is an ISO 9001:2000 accredited company. D. H. Exports Pvt. Ltd. Manufactures stainless steel products. Polished and Ground Stainless Steel Square Bars are available in the size of 5.00 - 40.00mm. Polished and Ground Stainless Steel Square Bars is available in 3/16" - ½"inch. This bar is h11 ISO tolerance. It is available in cold drawn execution. These bars are available in alloy steel, stainless austenitic steel, ferritic steel as well as martenisitic steel grades.