This #4-40, pan-head screw is 1/2" long. It is made from steel, is zinc-plated, and comes in packs of 25.
In stock in Australia
Our Code: MEC-30078
Supplier Link: [Pololu MPN:1962]
These screws fit the Pololu aluminium universal mounting hubs. 4-40 screws are commonplace in North America but can be a bit hard to find in Australia and other places that have moved to the metric system.