Union Butterfield® Spiral Point Machine Tap, Relieved, Series: 1534, Measurement System: Imperial, UNC Thread Standard, #5-40 Thread, Bottoming Chamfer, 2 Flutes, HSS, Bright, Class of Fit: 2B/3B, Right Hand Cutting Direction, 5/8 in Thread Length, 1-15/16 in Overall Length, 0.141 in Shank Diameter, Steel, Stainless Steel, Cast Iron, Titanium, Nickel, Copper, Aluminum Magnesium and Synthetic Materials Material Application, H2 Thread Limit