Alloy steel finger for auger header assembly Surface :Oil Machined and turned SGS audited More than 20 ... years experience 1,Name:Alloy steel finger for auger ... etcBronzeC51900,C60600,C17200,etcAlumimum100,5052,6061,6063,etc(2),Ability for the surface finish: ElectroplateZinc plated(while,colour,dacroment),Nickel plated,copper ...