Auxiliary parts and accessories category for NC machine tools and CNC equipment specialized parts, excluding cutting tools, jigs/fixtures, measuring instruments, and lubrication/cooling systems. Handles electrical components (relays, sensors, wiring parts), hydraulic/pneumatic components (cylinders, valves, filters), control panel parts, covers/protective equipment, cleaning supplies, and spare parts necessary for machine functionality expansion and maintenance. These essential complementary components support stable operation and productivity improvement of machine tools, directly contributing to maintainability and machine performance preservation.