Metric Taper/Plug Tap Set:Thread Size: M16 x 2Square Shank Width: 9.8mm / 0.39"Thread Length: 33mm / 1.3"Total Length: 96mm / 3.78"Accuracy: H2Tapping Direction: Right HandMaterial: M2 (6542) High Speed Steel Number of Chip Flutes: 4 FlutesPackage Content: 1pcs x Taper Tap, 1pcs x Plug TapDescriptions:M2 (6542) high-speed steel hand tap set offers high hardness, good toughness, wear resistance, and excellent cutting performance. Uncoated thread taps can be used for threading a wide range of applications. Clear threads without burrs, universal square shank.Two Styles: Taper Tap: Start the thread and guide it into the workpiece, commonly used when tapping through holes; Plug Tap: Creates deeper threads than taper taps, suitable for through-hole and blind-hole applications.