DRILLCO - 2-1/2-8,PIPE TAPS - 290E332

The nominal size of a Taper Pipe Tap (NPT) is that of the pipe fitting to be tapped, not the actual size of the tap.
Geoemetry is ideal for through or blind holes
Made from general purpose HSS
Bright finish for added lubricity
Square shank for use with standard sized tap wrenches