External thread : M 20 x 1.5, Customizable : No, Unit : STD Pack 50, Internal Thread : M 12 x 1.5, SW mm : 24, Thread length mm (E) : 7, Compete length mm (L) : 10, Material : Nickel-plated brass, Characteristic 1 : PG Thread, Characteristic 2 : Metric Thread, Characteristic 3 : Hexagon