Square Nut Size: M6--M36 Grade: 4,5,6,8,10,12 Materials: carbon and alloy steel Hot Dip Galvanized Supply ADSS/OPGW Electric ... , UNF, UNEF, M, BSW, BSF, TR, ACME, NPT 5.MaterialCarbon steel(#1035,#1045,40Cr,35CrMo,42CrMo,B7,20Mn2,M20) ,Stainless ... steel(303,304,304L,316,316L),Brass(H59,H62)6.Size1/ ...