Armature assembly for fuel injectors

The unit has an electromagnet, a movable armature and a closure element interacting with a valve seat for opening and closing a relief channel for a control chamber. The armature is accommodated in a threaded section of the valve body by a valve tightening screw enclosing the armature bolt. An armature bolt guide section is guided on the armature bolt on which an armature plate is accommodated with a set pin in the axial direction with play. The unit has an electromagnet, a movable armature and a closure element movable with the armature and interacting with a valve seat for opening and closing a relief channel for a control chamber. The armature is accommodated in a threaded section of the valve body by a valve tightening screw (37,41) above an adjustment ring. The valve tightening screw enclosing the armature bolt (15) is a fitted screw and an armature bolt guide section (33) is directly or indirectly guided on the armature bolt on which an armature plate (32) is accommodated with a set pin (31) in the axial direction with play.