1/2" BSP Running Nipple 4" (100mm) Long Threaded Brass Straight Fitting Male

100mm (4") long 1/2" BSP fully threaded running nipple, made from brass. The internal diameter of the running nipple is 15mm, whilst external is approx. 20.5mm (standard 1/2" BSP thread). This 100mm long male thread fitting is designed for connecting two female threads seamlessly. The brass connector is suitable for for heating or hot and cold water applications. Installation is straightforward simply secure using a spanner. Ideal for indoor and outdoor plumbing applications.