... .size: dia:2.4-15 2.material: brass 3. type: standard,customized 4. free sample Brass rivets Size:dia.2.4 - 15 mm ... Material: steel,aluminium,brass,iron ,brassSurface treatment: Zinc-Plating ... rivet, round or flat rivet, tubular rivet, in steel, aluminium, brass or iron, OEM is offeredDifferent standards, such as ISO, DIN ...