Standard Pack = 1 piece(s). Pilot Insert Type = Spade Blade Insert ; Thread Size = M16x1.5 mm ; Tube Dash Number = 6 ; Pilot Diameter = 0.5170 inch ; Pilot Length = 0.6150 inch ; Shank Diameter = 0.7870 inch ; Angle = 15 degree ; Overall Length = 3.5070 inch ; Head Length = 1.8750 inch ; Shank Length = 1.6500 inch ;