Guhring Thread Forming Tap, 8-Pitch Straight, Series: 4289, Measurement System: Imperial, 1-1/4-8 Thread, UNF Thread Standard, Modified Bottoming Chamfer, 7.0866 in Overall Length, 4 Flutes, Right Hand Cutting Direction, Class of Fit: 2B, 1.021 in Shank Diameter, 1.115 to 1.14 in Tap Drill, 0.766 in Square, HSS-E, TiN Coated, H7 Thread Limit