... High quality brass nut 1.Size,M4-M60 2.Material:brass, copper 3.SGS,ISO Certificate 4.Surface treatment:Plain or as request High quality ... brass nut 1. Standard:DIN,ANSI, BSW, JSB ans ISO standard or non-standard as request&design.2. Material ... treatment: plain7. professional manufactuer, offers better quality and price ProductHigh quality brass nut Materialbrass, copper FinishPlain or as ...