Screw M3x40mm (+ Head)

From the shop's description

Screw M3x40mm (+ Head) is a high-quality electronic component designed for Arduino, prototyping, and educational electronics. Alloy Steel Black Oxide ead Thickness 1.5mm Thread Size – M3 Length= 40mm It’s perfect for DIY makers, students, and anyone building custom electronic circuits or STEM kits.