Square Nut Size: M6--M36 Grade: 4,5,6,8,10,12 Materials: carbon and alloy steel Hot Dip Galvanized Supply ADSS/ ... , JIS, AS,BS, EN, SAE,ASTM3.GradeGr.2,5,8,10, 2H, DH, /8/4.ThreadUNC, UNF, UNEF, M, BSW, BSF ... ,etc9.Production Capacity2-3X20'GP/Month10.PackageBulk in carton, small box,then pallet or wooden case11.CertificateISO9001:2008customized types are availible ...