Are NPT and NPS compatible?
Are NPT and NPS compatible? Both NPT and NPS have the same thread angle, shape, and pitch (threads per inch). However, NPT threads are tapered and NPS threads are straight (parallel). While NPT and NPS threads will engage, they do not seal properly with each other. What NPS 27? 1/8″-27 NPS HSS 4 Flute Straight […]