PCB Support Pillars - Collar Spacer
These collar spacers are a two piece application; the pin and the retainer. They were designed to capture the PC board. The combination of the mating parts forms a completely enclosed nylon spacer. The use of a binding head type screw is recommended.
PCB Support Pillars - Stacking/Self Retaining
These self-retaining spacers snap into the board and maintain spacing even when the screw is removed. This version is stackable for multiple level PC board applicatiopns.