... in special fastener field 1,Name: Metal T Stamping parts ;Metal stamping parts;T stamping parts2,For the stamping parts ,what can we do ?(1), Ability for ... the material of this kind of stamping parts: Grade3.6,4.6,4.8,5.6,6.8 ... (3),Ability for the tolerance Roundess0.002mmCylindricity0.003mmRoughnessRa0.32Straightness0.01/200mm 3,How about the packing details?Plastic bags inside ...