Standard:ISOQuality Certificate:ISO9001:2008,ISO14001:2004Payment term:30% in advance, 70% before shipment. Samples 100% in advanceMaterial:Iron / Brass/ alloy zinc /steel / etcHead Diameter:4,5,6,8,9,10mm...Shank Diameter:3mm-5mmShank Length:5~25MMSurface Treatment:Polishing, Anodizing, Black oxide or Plating color,etcStandard:DIN GB ISO JIS BA ANSIColor:natural,yellow,black,white etc Application:Widely Used for Garments,Decoration Show More