Features: Standard pipe taps are used when the extension length is not sufficient. Applications: ● Machining material: cast steel, cast iron, ductile cast iron, aluminum alloy casting. Specifications: Accuracy: JIS Class 2; Nominal Size: 1; Thread Length: 1.8 inches (45 mm); Total Length: 5.9 inches (150 mm); Shank Diameter: 1.0 inches (26 mm); Shank Square: 0.8 inches (21 mm); Bottom Hole Diameter: 1.1 inches (29.5 mm); Specification 2: High Speed Steel (HS-S E/HSS)