... , meet RoHS directive 2)Size:customized 3)OEM/ODM Welcom Ball knurled thumb rivets 1) competitive price, meet RoHS directive 2 ... coating5. anodizing6.Polishing,GreenIridite, RadiantPlated,Electrophoresis, Dichromate,PhosphatingOperationCNC Machining,Planning,Grinding,Turning,Drilling,Milling. Heat TreatmentAnnealing, Tempering, Carbonitriding, Normalizing, Nitriding,Induction ...