This bit forms a flat-bottom Groove with a reverse Ogee and step profile for the shoulders, #56200, diameter (D): 13/16, radius (r): 1/8, cutting height (B): 33/64, shank (D): 1/4, overall length (L): 1-49/64, type: Ogee stile, flutes: 2, D1: 5/16, 56200 carbide Tipped plunging Ogee stile 1/8 radius x 13/16 dia x 33/64 x 1/4 inch shank