Fastener, nuts sorting machine Machine's Character: * Variety of inspection modules satisfied for the most of inspect needs. Adaptable Product: Nuts, rivet, roller, washer, stud, set screws and products can stand stable on the belt. Inspection items: 1.Thread 2.With coating 3.Hole diameter 4.Outside diameter 5.Concentricity 6.Roundness 7.Overall height 8.Deformed 9.Crack 10.Marking 11.Width/length 12.Thickness.