Union Butterfield® Straight Flute Hand Tap, General Purpose, Series: 1528, Measurement System: Imperial, UNC Thread Standard, #6-32 Thread, Bottoming Chamfer, 3 Flutes, HSS, Bright, Class of Fit: 2B/3B, Right Hand Cutting Direction, 11/16 in Thread Length, 2 in Overall Length, 0.141 in Shank Diameter, Steel, Stainless Steel, Copper, Titanium, Nickel, Cast Iron, Aluminum Magnesium and Synthetic Materials Material Application, H3 Thread Limit