Miniature coaxial test needle

The utility model provides a miniature coaxial test needle has a probe, its characterized in that miniature coaxial test needle still has a modular component and an at least locating part, and the modular component is the hollow circular cylinder to the probe outside is located to the cover, and the both ends of probe protrusion in both ends of modular component respectively, and modular componentand probe are the non -conducting state, the locating part is located between probe and the modular component to the modular component corresponds the locating part and is equipped with the plural number and keeps off the portion of supporting, or the probe corresponds the locating part and be equipped with at least one and keep off the portion of supporting, in order to reach the efficiency thatrestriction spy needle position moved through keeping off the portion of supporting with the locating part contact. So provide modular test needle product, and can avoid planting the inconvenient assembly program of needle ac