Thread Hex Nuts 3/8"-16, Solid Brass Hex Nut (25PCS/Pack) Silica Gel 60A [Precise Design]: With 1/2" BSP

[Precise Design]: With 1/2" BSP Male x 2" bolt

Please note you may need an adapter to fit this to your pump

It comes with an inspection certificate with every set

[SIZE]: 13

Thread Hex Nuts 3/8"-16, Solid Brass Hex Nut (25PCS/Pack) Silica Gel 60A [Precise Design]: With 1/2" BSP[Size]: Thread diameter: 3 8" 16; nuts diameter: 0. 625" 15. 875mm; nuts height: 0. 472" 12mm; hex drive size: 5 8". 25 pcs pack. [Quality Materials]: The nut is made of high quality brass, which is durable, stable, rust and corrosion resistant, and good for long term use. [Precise Design]: The replacement nuts are designed for 1. 5" 12" high pressure tri clamp bolts, also perfect for any home project, indoors or outdoors. [Wide Range of