Seco Threading Insert, Laydown, Series: Snap-Tap, 26NRK Insert, 26 Insert, Internal Thread, 60 deg Partial Profile Thread Standard, 5.5 to 10 mm Pitch, 4.5 to 2.5 Threads per Inch, 15.88 mm Inscribed Circle, 7.9 mm Thickness, 26 mm Length, ANSI Code: 26NRK60 CP300, ISO Code: 26NRK60 CP300, 0.4 mm Corner Radius, 60 deg Included Angle, Manufacturers Grade: CP300, Right Hand Cutting Direction, Carbide, TiAlN/TiN, Material Grade: P