Union Butterfield® Spiral Point Machine Tap, Relieved, Series: 1534, Measurement System: Imperial, UNC, #10-24, Plug Chamfer, 2 Flutes, HSS, Bright, Class of Fit: 2B/3B, Right Hand Cutting, 7/8 in Thread Length, 2-3/8 in Overall Length, 0.194 in Shank Dia, Steel, Stainless Steel, Cast Iron, Titanium, Nickel, Copper, Aluminum Magnesium and Synthetic Materials Material Application, H3 Thread Limit