ITEM NAME:1Pc 1/4 Inch - 18 Npt High Speed Steel Taper Pipe Tap Metal Screw Thread Cu W3C3 1Pc 1/4 Inch - 18 Npt High Speed Steel Taper Pipe Tap Metal Screw Thread Cu W3C3 Brand new Model: Z1/4-18 Using High-quality steel, high hardness quenching rigid and long service life; sharp cutting performance, good chip effect; good surface finish, large chip flutes, removal chip smooth. Note:Z=NPT taps for taper pipe threads colour:Silver Material:High speed steel Size: approx. 60 * 22 * 8mm Package Contents: 1 * Taper Pipe Tap