OSG Spiral Point Gun Tap, General Purpose, Series: 105, Measurement System: Imperial, UNC, #4-40, 4.5P-5.5P Plug Chamfer, 2 Flutes, HSS, Steam Oxide, Right Hand Cutting, 0.366 in Thread Length, 1.97 in Overall Length, 0.141 in Shank Dia, Steel, Stainless Steel, Tool Steel, Die Steel and Nickel Alloys Material Application, H2 Thread Limit, No Through Coolant (Yes/No)