Square Nuts are fasteners with a four-sided design. With larger contact area, excellent anti-loosening performance and convenient installation advantages, they are widely used in various fields such as industry, construction, furniture and agricultural machinery. Our square nuts strictly comply with international standards such as ASTM, ISO and DIN, are precision-manufactured with high-quality materials, and support customization of different specifications, materials and surface treatment processes. They can perfectly match various bolts, meet the use needs of common fastening to complex scenarios such as high vibration and strong corrosion, and have both practicality and durability, making them the preferred fasteners for various mechanical assemblies and structural fixing.