Ball Bur SD, Single Cut, Shank Dia. 1/4 in, Head Dia. 1/2 in, Length of Cut 7/16 in, Overall Length 6-7/16 in, Trade Number SD-5L6, Abrading Application Build Up Welding Preparation, Contouring, Hole Deburring, Metalworking, Coating Bright (Uncoated),…