threaded rods DIN975 DIN976 size:M3-M56 Lenght:1000-4000mm Grade: 4.8,8.8,10.9,GR.B7 Surface: Plain, Black, Zinc Cr+3,Yel threaded rods1)Standard: DIN ... -12 feet3)Material: low carbon steel, carbon steel, alloy steel4)Grade: 4.8,8.8,10.9,GR.B75)Surface: Plain, Black, Zinc Cr+3 ... .Packing: BULK IN BUNDLES / PALLET OR ACCORDING CUSTOMER'S REQUIREMENT threaded rods