... processingTolerance0.005mm-0.02mmSurface FinishBased on customer requirements, we can do Plating(Zinc plated, Nickel plated, Chrome plated, ... etc), polishing(precision can reach +/-0.005mm), knurling, anodizing, Black Oxide, heat ... sea freight priority,3) As per customized specifications.Description High-quality, rich manufacturing experience,competitive price