Threaded Rods/Bars/Studs, DIN 975 DIN 976, ANSI, ASTM... Thread Size: M3-M52 Length: 1000mm-3000mm Thread Size: 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 Inches Length: 3feet-36feet Grade: 4.8 4.6 8.8 Material: Carbon steel and stainless steel Finishing: Plain, Zinc plated(Cr6 or Cr3), HDG, blackend More than 10 years experience on threaded rods production, with the good reputation on Euro and USA market, due to our good quality and advance service.