PEM® ReelFast® brass surface mount fasteners include tin-plated Type SMTSOB™ brass nuts and spacers/standoffs suited for PCB applications requiring optimal electrical and mechanical attachment points. Permanently and concurrently installed with other SMT components on PCBs of any hardness and as thin as .060 in. prior to automated reflow solder process, these corrosion-resistant and conductive products can be used to space or stack boards, mount boards, or attach components.