[Features] Ideal for processing stop holes in difficult materials. Accuracy: OH2; Nominal Size: M4; Pitch: 0.03 inches (0.70 mm); Thread Length: 0.5 inches (13 mm); Total Length: 2.0 inches (52 mm); Shank Diameter: 0.2 inches (5.0 mm); Shank Square Part: 0.1 inches (4.0 mm); Bottom Hole Diameter: 0.1 inches (3.1 inches (3 inches (3 mm); Thread Count: 0 inches (3 inches (3 mm); Thread Count: 0 inches (3 mm); Thread Count: 0 inches (3.1 inches (3 mm); Thread Count: 0 inches (3 mm); Thread Count: 0 inches (3.2.2.2.2.0 inches (3 mm); Thread Count: 0 inches (3 mm); Thread Count: 0 inches (3 Country of Origin: Japan