Square Nut M3 x 0.5 Zinc Plated Gr.4 DIN 557

Square Nut
Zinc Plated
Mild Steel Grade 4
Size: M3
Pitch: 0.5
A DIN 557 nut is a metric square nut with a "regular" or thick pattern. It is a traditional four-sided internally threaded fastener designed for secure and robust connections.