Brass screw - Sold individually - Lens head Straight notch M 3.5x16mm

Here you can order the screws you need 1 piece at a time, remember to order plenty and check which model you are ordering.

Round head means that the head of the screw is round

Lens head means that the head of the screw is lens-shaped

If the screw is called, for example, 2.5x25 mm, it means that it is 2.5 mm thick and 22 mm long