Tap, 3/8”-18 NPS, National Pipe Straight, 10” Overall Length, USA, Used: This 3/8” straight pipe tap was made by Threadwell Greenfield. It is made of M23 High Speed Steel. The shank is the same diameter as the threading portion of the tap. There is very little sign of use and the tap is still sharp and ready to use. The buyer must understand that this is NPS Straight Pipe Thread and not NPT Tapered Pipe Thread. NPS threads are commonly used in mechanical joints. This tap is sold with the Kent’s Tools 30 Day Satisfaction Guarantee.
