Threaded Precision: Coarse thread with M3 diameter and 0.5mm pitch, ensuring secure and efficient fastening. Compact Size: Hex nuts with a width across flat of 0.22" (5.5mm) and a height of 0.09" (2.4mm). Durable Material: Crafted from carbon steel with a zinc plating finish, providing high hardness and excellent corrosion resistance. Hexagonal Design: Hexagonal shape with 6 sides, offering versatility for various tools to approach from different angles. Versatile Use: Ideal for industrial and construction fasteners, serving as essential accessories in daily applications.