... /ISO 9001-2008 5.OD 6", 4" Machining abilityMax machining OD:φ100mmMin OD:φ0.7mmMax machining length: 1000mmOD tolerance control: 0.001mmSurface ... , cutting, milling,grounding,cnc machining,drilling,broaching,threading,heattreatment etc..4: Surface finish: Polishing, electropolishing, anodizing, brushing, plating, etc..5: OEM ...