... 303, sus 302, C1010-C1018, and etc. Surface treatmentplain, nickel plated, Chromated, passivated, zinc plating, phosphated, copper plating, gold plating and ... order Lead time 10-15 days Sample lead time 3-6 days inside packinginside is punny bags to avoid wet air ... things free of charges under normal conditions.Shuangxin Logo: zinc plated round wahser