They are made by a specialised machine which cuts thick wire into a suitable length and then die punches the head of the pin, the supplier normally runs specialised machinery that is capable of producing large amounts of products at a high rate for a low cost.
They are made by a specialised machine, the supplier normally runs specialised machinery. This specialised machinery is capable of producing large amounts of products at a high rate for a low cost. This specialised machine cuts thick wire into a suitable length the head of the pin. This specialised machine then die punches the head of the pin.