We offer high-quality Galvanized Cup Square Bolts in sizes ranging from M5 to M18, made from durable carbon steel with a galvanized finish. These bolts feature a cup head and coarse threads, ideal for wood assembly projects. With a grade of 8.8, our bolts ensure reliable performance and strength. Each bolt is carefully packaged in a convenient packet for easy storage and transportation. As a leading Manufacturer, Exporter, and Supplier, we provide top-notch products that meet industry standards and exceed customer expectations.