Hexagonal nut visual screening machine, this machine adopts vibration disc feeding, equipped with artificial intelligence visual inspection software, and equipped with 8 CCD industrial cameras. According to customer requirements, it can detect whether the key dimensions of the product, such as outer diameter, height, tail nail outer diameter, tail nail height, etc., meet the drawing requirements, as well as whether the surface of the product has appearance defects such as groove cutting, hole opening and bottom slag blockage, and missing internal threads. The detection speed is 300pcs/min, and the detection accuracy is ± 0.02mm