... experience. 1,Name:Stainless steel handle with thread;Stainess steel handle;Handle with thread 2,For the similar handle,what can we do ?(1 ... ), Ability for the material of this kind of handle: Grade3.6,4.6,4.8,5.6,6.8 ... coating,electrophoretic coating,etc Polishing Grinding and polishing,etc,except mirror finish (3),Ability for the tolerance Roundess0.002mmCylindricity0.003mmRoughnessRa0. ...