Our factory proudly presents the Square Nut Carbon Steel Class 4 6 8 M8 M10 M12 M27 Square Nut, designed to meet all your fastening needs. Crafted with precision using top-quality carbon steel, these nuts are known for their exceptional strength and durability. With several size options available including M8, M10, M12, and M27, these nuts offer versatile application possibilities. Their square shape provides superior stability and ease of use. Trust our factory for reliable, high-performance products that are built to last.