Features: Standard pipe taps are used when the extension length is not sufficient. Applications: ● Machining material: medium and high carbon steel, cast steel, cast iron, ductile cast iron, aluminum alloy casting. Specifications: Accuracy: JIS 2 grade Nominal Size: 3/4 Thread Length: 14 Thread Length: 1.1 inches (29 mm) Total Length: 5.9 inches (150 mm) Shank Square Part: 0.7 inches (17 mm) Bottom Hole Diameter: 0.9 inches (23.5 mm) Thread mm Thread Thread Tap Grade: JIS Grade (HIS Material/Finish: High Speed Steel SS-E)