These BSP to BSP male-Female adapters is ideal as step down adaptor to accept a standard fill line on buddy bottle charging head outlets. When combining several hoses or adaptors, variances in thread size can cause frustration. With our choice of thread adaptors, this problem should be a thing of the past.
Always ensure that you are connecting compatible pressure vessels together. i.e. 300Bar to 300Bar
|- 1/4" BSP - 5/8" BSP Thread Adaptor|