Alloy steel finger for auger header assembly Surface :Oil Machined and turned SGS audited ... :Alloy steel finger for auger header assembly ,Alloy steel finger,Auger header assembly finger2,For the similar finger,what ... can we do ?(1), Ability for the material of this kind of finger: Grade3.6 ... ,4.6,4.8,5.6,6.8,8.8,9.8,10.9 ...