【Fine Screw Compatibility】The Digital Screw Counting Machine features an adjustable hopper track that accommodates screw sizes from 1mm to 5mm. It is compatible with various screw types including machine screws, self-tapping screws, round heads, flat heads, and washer screws, making it versatile for different counting needs. 【Precise Screw Counter】This Automatic Screw Counting Machine delivers accurate digital counting, recording up to 9999 screws dispensed, which aids in effective production management and ensures consistency. 【User-Friendly Digital Display】Equipped with a digital display, this machine offers auto, manual, and normal modes, accurately tracking each screw dispensed and providing convenient reminders. 【Durable Metal Silo】Constructed with a thickened all-metal silo, simply pour screws in and start the drum for stable and continuous feeding. Adjust the brush position for optimal alignment. 【Versatile Applications】Ideal for self-tapping screws, ferrous metal screws, flat heads screws, and washer screws, it is perfect for electronic assembly in toys, communication devices, home appliances, and automotive parts.