The Norton Twin Star Type 27 flap disc delivers aggressive material removal and long-lasting performance for grinding, blending, and finishing on metal surfaces. The flat Type 27 profile is ideal for work on flat surfaces and inside corners, providing consistent contact and smooth results.
Designed for use with standard 4-1/2" angle grinders via the 5/8-11 threaded hub, this 40 grit disc excels at heavy stock removal, weld grinding, and surface preparation tasks in industrial, MRO, and fabrication environments.