... 1 brand:OEM,lumei 2 material:aluminum,aluminum alloy 3 facory,manufacturer 4 on time shippment 5 CO ... Description 1.1 material: For the common aluminum blind rivets. The respective materials for the ... part and the mandrel we use are Aluminum+Steel, Aluminum alloy+steel, Steel+Steel, Stainless Steel+ ... lumei will continue to serve our customers wholeheartly from home and abroad. we promise high- quality ...