Union Butterfield Spiral Flute Tap, High Performance, Series: 1630AP HMD Applix, Measurement System: Imperial, UNC Thread Standard, 1-8 Thread, Semi-Bottoming Chamfer, 4 Flutes, HSS, TiAlN Coated, Class of Fit: 2B/H6, Right Hand Cutting Direction, 1.025 in Thread Length, 6.299 in Overall Length, 0.8 in Shank Diameter, Right Hand Flute Direction, H6 Thread Limit, Alloy Steel, Bronze, Cast Iron, Hardened Steel, Nickel Alloys, Stainless Steel and Titanium Alloys Material Application, No Through Coolant