Standard Pack = 1 piece(s). Material = Carbide ; Diameter = 8mm ; Length of Cut = 20mm ; Neck Length = 0 ; Neck Diameter = 0 ; Overall Length = 63mm ; Shank Diameter = 8mm ; Coating = Diamond ; End Type = Center Cutting ; Helix Angle = 30 Degree ; Shank Style = h6 ; Diameter Tolerance = +0 inch / -0.002 inch ; Length = 5.5 ; Width = 1.65 ; Height = 1.55 ;