OSG 1737801 Pipe Tap, 1/4"-18, Taper, 4 Flutes, NPTF
Pipe and Conduit Thread Tap, Thread Size 1/4 In.-18, NPTF, Overall Length 2 7/16 in, Cobalt, Black Oxide, Right Hand, Thread Length 1 3/32 in, 75 Percent Thread Drill Size 0.4375 in, Number of Flutes 4
