CNC Pins with holeThe capacity of our company Precision for CNC turned parts: . the accuracy of roundness and coucentricity can achieve to +/-0.005mm . the surface roughness can achieve to Ra0.4. . the diameter from 1mm to 300mm round bars . precision CNC turning,turning-and-milling multiple machining . machining carbon steels,stainless steel,tool steel,copper,brass,bronze,aluminium and plastics. . Low,medium to high volume batches.anodize, powder coating, heat Treatment.