... in fastener field 1,Name: Grade 5 hex king bolt;Hex king bolt;Grade 5 bolt2,For the similar bolt,what can we ... Polishing Grinding and polishing,etc,except mirror finish (3),Ability for the tolerance Roundess0.002mmCylindricity0.003mmRoughnessRa0.32Straightness0.01/200mm 3,How ... as your requirements. 4,How aout the delivery?(1),Delivery port:ShangHai/NingBo(2),Delivery way to avoid the anti-dumping5 ...