Steel cooper coated weld studSize: M10-M25Surface: Plain, cooperMaterial: Low Carbon steel/Stainless steelStandard: GB,DIN,ISO,ANSI/ASTM,B7,BS,BSM,JIS etc. Advantages1. Quality Certification: SGS, ROHS, ISO9001:2008, ISO14001:20042. Professional testing: 100% of full line testing system, in line with international standard.3. Salt spray time: 2 hours, 24 hours, 48 hours, 96 hours, 1000 hours we ...