Standard:DIN975,DIN976A,B7,UNC ROD,BSW ROD,round rod,type U/V/J bolts Features:1)Standard:DIN975,DIN976A,B7,UNC ROD,BSW ROD,round rod,type U/V/J bolts2)Size:M3-M24, length:1000-4000mm; 1/4-1",length:3-12feet3)Material:low catbon steel,catbon steel,alloy steel4)Grade:4.8,8.8,10.9,GR.B75)Surface:Plain,Black,Zinc Cr+3,Yellow Zinc Cr+6,H.D.G THREADED ROD