Type 27 flap discs ( 4-1/2″ X 5/8-11 ) are less aggressive and are used primarily on flat surfaces for grinding a smoother finish.
Aluminum oxide is the most commonly used abrasive. Best-suited for general purpose deburring and blending, it is tough, economical and fracture resistant. Commonly used on ferrous alloys, high tensile materials and wood.
Comes 10 in BOX