Standard Pack = 1 piece(s). Pilot Insert Type = Spade Blade Insert ; Thread Size = 3/4 - 16 inch ; Tube Dash Number = 8 ; Pilot Diameter = 0.6880 inch ; Pilot Length = 0.6880 inch ; Shank Diameter = 3/4 inch ; Angle = 15 degree ; Overall Length = 3.95 inch ; Head Length = 1.98 inch ; Shank Length = 1.9690 inch ;