Protective Caps

LBTEK SM05, SM1, SM2 Thread Protective Caps, available in both internal thread protective caps and external thread protective caps. The former can be screwed onto the end of mechanical parts with external threads; the latter can be screwed onto the end of mechanical parts with internal threads. They can be used to protect optical components, providing dustproof and light-blocking functions. The straight knurling on the edge of the end caps facilitates tightening and removal.