Precision cnc machining nozzle 1.ISO9001:2008 2.tolerance: +-0.005mm 3.on time ... machining nozzleMaterialStainless steel, Carbon SteelMachining methodTurning, Milling, Drilling, threading, laser cutting, stampling, punching etc..Surface finishPolishing, and Chrome plating, zinc plating ... have long term cooperation with you ^_^ precision CNC machining nozzle