Standard Pack = 1 piece(s). Type = Countersink ; Size = #4 ; Included Angle = 60 deg ; Material = Solid Carbide ; Finish/Coating = Tin ; Body Diameter = 5/16 inch ; Drill Point Diameter = 1/8 inch ; End Type = Double ; Edge Style = Plain ; Overall Length = 2 1/2 inch ; Drill Point Length = 1/8 inch ; Drill Point Angle = 118 deg ;