Fine Screw Compatibility: The Digital Screw Counting Machine features an adjustable hopper track that accommodates screws from 1mm to 5mm in diameters and lengths up to 20mm, compatible with various types including machine screws, self-tapping screws, and flat head screws. Screw Counter: This Automatic Screw Counting Machine accurately counts up to 9999 screws, ensuring precision in production management. Digital Display Function: Equipped with digital counting and reminder features, it offers auto, manual, and normal modes to track each screw dispensed. All-Metal Thickened Silo: The robust metal silo allows for stable feeding, with a rotating drum that aligns screws for continuous operations. Wide Application: Ideal for self-tapping screws, flat heads screws, and washer screws, perfect for assembling electronics, toys, home appliances, and auto parts.