We are dealing in high tensile steel, Size:Normal Dia : " to 4" 6-100 mmLength : As Specified by user or Upto any Length. Specification Standard:DIN ASME BS BS EN ISO ASTM Material:Carbon Steel, Mild Steel, Alloy Steel, Ferritic & Austenitic Stainless Steel Grades :ASTM A 320 L7L7MB8B8M ; SS304316 ;ASTM A 193 B7B7MB16B8B8M Threads:UNC, 8UN, UNF, Metric Coarse & Fine Series Surface Finish:Plain, Zinc Plated , Hot Dip Galvanized, P.T.F.E. Coated