... 3.Standard:DIN/GB/BSW Din662 all sizes oval-head Rivets (zinc plated,etc)1.Marterial: stainless steel,carbon steel ... Surface treatment: Zinc plateD, nickel plateD,plain, or according to customers'requirements5.Our company promise:reasonble price, short prodution ... small box packing,gunny bag packing,or packing according to customers' specification Din662 all sizes oval-head Rivets (zinc plated,etc)