... size finish material nut black M2.5 black Q195Product features for all our products:1.Product range :screw,nut,rivet,axle, iron ... core2.Standard:GB BS JIS ANSI DIN Or Non-Standard.3.Dia:M2,M2.5,M3,M3.5,M44.Surface ... Q195,Q235, Stainless Steel 304,667 Name nuts washers size M2.5,M3,M4 M3.5--M8material Q195,Q235,Copper Q195,copper,45#steelPrice rangeFOB shanghai ...