Bsp Adaptor reducer Male 1/8" to 5mm Fem Pneumatic Air
(25)1/8" Bsp Male to 5mm Female Air Nipple. for the reducing of threads from 1/8 Bsp to 5mm(0.8). BSP THREAD DATA. the 5mm thread is. 08mm pitch which is standard. can be used on Pneumatics, Fuel, Water, oil etc.