The Automatic Fastener Screw Bolt Nut Vertical Weighing Packaging Machine is designed for high-efficiency packaging of various hardware fasteners, including screws, bolts, nuts, washers, anchors, and mixed hardware kits. Using an advanced multihead weigher and VFFS packaging system, the machine delivers stable and accurate weighing, making it ideal for fastener manufacturers, hardware suppliers, and industrial spare part packaging. With a packing speed of up to 60 bags/min, this weighing packing machine offers reliable performance for medium to large-scale production lines, ensuring consistent sealing quality and excellent packaging efficiency.