806 Spring-Loaded Pins with Removable Caps Mill-Max 806 Spring-Loaded Pins with removable pick-and-place caps are an advanced option for automated assembly. The 806 components feature standard Mill-Max spring pins with removable caps which keep the parts centered in the carrier tape pocket. The caps present a large round target surface for vacuum pick-up and are easily removed after the soldering process. Pins are available in surface mount and through-hole.