These are M5 English Thread Square Nut that come in a pack of 50 pieces. . They have a square shape and a flat surface, which provide more contact area and resistance to loosening than hex nuts23. They have a metric thread size of 5mm and conform to the DIN 562 standard41. They are suitable for various applications, such as furniture, machinery, construction, and DIY projects. They are compatible with other M5 screws, bolts, washers, and spacers. They are also available in other sizes and materials.
JUTHOURTECH