External thread : M 20 x 1.5, Customizable : No, Unit : STD Pack 50, Internal Thread : NPT 1/2", SW mm : 24, Thread length mm : 7, Compete length mm : 25, Material : Nickel-plated brass, Characteristic 1 : PG/Metric external thread, Characteristic 2 : NPT internal thread, Characteristic 3 : Hexagon