Hanson 8203 Tap 1/4-18 Npt Taper for Tap Die Extraction<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Each taper tap is used to cut internal threads in pipes</li><li>This taper tap is ideal for pipe fittings</li><li>Taps are tapered at a rate of 3/4 inches per foot</li><li>Nominal size of the tap is that of the pipe fitting being tapped</li><li>1/4" size with 18 NPT (National Pipe Taper)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31ni6ttkYJL.jpg" noproxy>