Gred: 4.8, 8.8, 10.9, 12.9, Bahan: Q235, 35k, 45k, 40cr, 20mn tib, 35crmo, 42crmo, rawatan permukaan: Blackened, electrogalvanized, dacromet, hot-dip, galvanized, galvanized, galvanized, galvanized, galvanized, galvanized, galvanized, galvanized, galvanized, galvanized, dly!