... 20 years experience 1,Name:Alloy steel finger for auger header assembly ,Alloy steel finger,Auger header assembly finger2,For the similar ... do ?(1), Ability for the material of this kind of finger: Grade3.6,4.6,4.8,5.6,6.8 ... finish (3),Ability for the tolerance Roundess0.002mmCylindricity0.003mmRoughnessRa0.32Straightness0.01/200mm 3,How about the packing details?Plastic bags inside ...