Solid Carbide Chamfer 90° 8mm 8x2.5-20x70xD8D1 (Cutting diameter): 8mm D3 (Undercut diameter): 5. 9mm A (Total Chamfer Length): 2. 5mm L3 (Length of undercut): 20mm L1 (Total length): 70mm D2 (Shank diameter): 8mm Z (Number of cutting edges): 4 For universal chamfering of work pieces Forwards and backwards cutting * MADE IN GERMANY * Cooling: air cooled, dry, water min, water max Coating: BetaUni Iron Strategy: Universal Machining Applications: Forward and backward deburring Features: 90 tip