SCT Flag Keys are engineered for precision insert changes in all SCT indexable boring bars. Available in AT6+ and AT8+ sizes, these flag-style Torx® keys provide the torque control and grip required for consistent screw engagement and insert seating. Designed specifically to match our AT6+ and AT8+ screws, each key features a comfortable plastic handle and hardened steel tip to resist stripping and wear. Whether you're setting up a new tool or performing a quick insert replacement, SCT flag keys make maintenance easy, secure, and repeatable.