Nuts 1.ANSI;DIN;SAE;BS and JISC 2.Type:5/8 1/2 3/8 1/4 etc. 3.10 ... All of the products are made by advanced technique.5. Strictly products Inspection department constituted for eternal survival6 ... 9001-2000 ,Srictly comformity to the standard of SAE,BS,ASME,ANSI,JIS,PIN ROHS .7. Good ... Yellow brass color, or Nickel plated, or Chrome plated.5. Certification: ISO9001:2000.6. Application: Water pipes, gas ...