Taper Pipe Tap (HCS), 2 in 11 1 2 NPT,Taper Tap, 6 Flutes ORS NASCO Precision shear type blades for clean Precision shear type blades for clean cuts on solid and stranded copper wire Easy to read markings on both sides Curved handles help reach into confined areas Wire looping and bending holes Coil spring provides fast self opening action Upper and lower tongs are made from a high copper alloy for maximum conductivity and strength Top and bottom tip insulators are a molded fiberglass compound and will withstand intensive heat impact Handles are molded from a durable glass filled nylon material with a good heat and impact resistance Oval point screw cable connection is standard on all models 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