Standard Pack = 1 piece(s). Material = HSS-CO ; Diameter = 1 inch ; Length of Cut = 1-5/8 inch ; Overall Length = 4-1/8 inch ; Shank Diameter = 1 inch ; Coating = TiN ; End Type = Center Cutting ; Helix Angle = 30 Degree ; Length = 2.45 ; Width = 0.55 ; Height = 0.45 ;