3/8" BSP BRASS STRAIGHT NOSE WATER DRAIN TAPBrass 3/8" BSP straight nose water drain tap.
Excellent quality brass water drain taps suitable for a wide range of stationary engines.
The body of the tap incorporates a male 1/4" BSP threadFits many stationary engines and other aplications.
If you're thread is worn and is already oversize for 1/4" BSP then 3/8" BSP taps are the ideal solution, Identical to look at, just a larger thread. Far easier to drill and tap to 3/8" than try to fit a Helicoil or similar.
Our range of drain taps can be found HERE