SPRING PLUNGER WITH POSITIONING FUNCTION

摘要

PURPOSE: To provide a spring plunger with a collar capable of easily setting a length of a pin from a plate end face of a mold or the like. CONSTITUTION: The spring plunger with the collar is characterized by that a portion 2 which can not be inserted in a counterpart screw even when the spring plunger is rotated since it is thicker than a root diameter of the screw is provided on a spring plunger body 1.