NUT,LONG NUT,HARDWARE NUTS 1.ISO,ANSI,JIS,DIN,BS& non- ... 4.8 ,6.8,8.8,9.8... NUT,LONG NUT,HARDWARE NUTS AND BOLTS . A good non-standard fastenerS manufacturer for ... ,chromium plated,Tin plated,Black phosphating ,anodized ,Parkerising,and Environmental Plated is used in our products,Hexavalent chromium ... than 20 years experiences in screw,bolt,nut,washer,rivet, stud, pin,wrench and so on .2. Our company ...