... 20 years experience in special fastener 1,Name:SS 304 door handle;door handle;zinc alloy handle 2,For the similar link ... material of this kind of link pin: Grade3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9,12 ... ,dacroment),Nickel plated,copper plated,gold plated,chrome(3+Rohs &6+ ) plated,anodic oxidation,etc Dip plating black oxide coating,hot ...