... 3.ISO9001:2008,ROHS 4.Standard:GB,DIN,JIS,ANS High quality brass cap nut 1. Standard:DIN,ANSI, BSW, JSB ans ISO ... standard or non-standard as request&design.2. Material: brass, copper3. Grade: as request4. Dimension: M4~M100 or ... Surface treatment: plain7. professional manufactuer, offers better quality and price Productbrass cap nut Materialbrass, copper FinishPlain or as request SizeM4~M60 ...