Features: 1) Standard: European type, US type, DIN type 2) Grade: G100, G80, G70, G43 3) Material Features:1) Standard: European type, US type, DIN type2) Grade: G100, G80, G70, G433) Materials: alloy steel, carbon steel, EN1677 material4) Surface treatment: color-painted, self-colored, polished, hot-dipped, galvanized, electrogalvanized5) Process: drop forged, heat treated6) Specifications: 6mm, ...