... experience 1,Name:Alloy steel finger for auger header assembly ,Alloy steel finger,Auger header assembly finger2,For ... the similar finger,what can we do ?(1 ... the material of this kind of finger: Grade3.6,4.6,4.8,5.6,6.8,8.8,9.8, ... plated,copper plated,gold plated,chrome(3+Rohs &6+ ) plated,anodic oxidation,etc Dip plating black ...