We are specilized manufacturer and exporter of many kinds of hex nuts.We have been engaged in this field for more than 10 years. Our company lies at Haiyan,Zhejiang,China.The nearest port is Shanghai and Ningbo. HEX NUTS,HEX FLANGE NUTS,CAP NUTS,SQUARE NUTS,NYLON INSERT NUTS,ROUND NUTS or according to your drawing. Standard:DIN,ANSI,JIS,BS,GB,ISO and Non-Standard. Grade:4.8,6.8,8.8,10.9,12.9 Surface:zinc plated,yellow zinc plated,HDG,black,plain and etc. Size:M3-M48,or according to your requirment.