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:Mild Steel, Alloy Steel, Carbon Steel, Ferritic & Austenitic Stainless Steel Threads:UNC, 8UN, UNF, Metric Coarse & Fine Series Surface Finish:Plain, Zinc Plated , Hot Dip Galvanized, P.T.F.E. Coated