HEX NUT: 1.standard: DIN,ISO,JIS,AISI, 2.Size:M3-M56 3,Material:steel ,ss,brass 4.Grade:4.8,8,1 HEX NUT1.Different kinds of nuts available,M3-M30 to be made by cold forming,M30 and up to be made by hot forging.2.Different finish,such as bright,zinc plate,yellow zinc plated3.Specil anchor can be supplized acoording to customs' drawing or samples4.Can be made as low carbon steel and hight tensile5. ...