... SS sharp nut cap;SS nut cap;Sharp nut cap 2,For the similar nut cap,what can we ... do ?(1), Ability for the material of this kind of nut cap ... ,5052,6061,6063,etc(2),Ability for the surface finish: ElectroplateZinc plated(while ... etc,except mirror finish (3),Ability for the tolerance Roundess0.002mmCylindricity0.003mmRoughnessRa0.32Straightness0.01 ...