OHZ4609 Features: * Cuts internal threads in pipes * Nominal size of the tap is that of the pipe fitting being tapped * Available in National Pipe Taper (NPT) and British Standard Pipe Taper (BSP) * Ideal for pipe fittings * Tapered at a rate of 3/4"" per foot * Thread Size: 1 1/2 in * Threads Per Inch: 11.5 * Thread Standard: NPT * No. of Flutes: 6 * Cutting Direction: Right * Style: Taper * Applicable Materials: Most Metals * Material: High Carbon Steel * Packing Type: Bulk