4" NPT HSS Pipe Tap, Qualtech Quantity:1 They can be used to

They can be used to enlarge existing holes or to create new

Part Number D/ASTCO27/32

Length 4-5/16"

Size 5/16"-120

Part Number KFDMM13

4" NPT HSS Pipe Tap, Qualtech Quantity:1 They can be used toProduct Description Also called pipe taps, HSS NPT pipe taps are designed to clean and or re thread damaged or jammed pipe threads. They are appropriate for threading a wide variety of materials both ferrous and nonferrous. The nominal size of a Pipe Tap is that of the pipe fitting to be tapped, not the actual size of the tap. The thread tapers 3 4 of an inch per foot. All Pipe Taps furnished with a 2 1 2 to 3 1 2 thread chamfer NPT threads require