HBPV thread Plug Gage/ BPV LH work plug gage 90° DEG work plug and work ring gage
Sowant Precision gage can offer you all kinds 90° deg HBPV working plug gages and HBPV working ring gages, we also called it BPV gages, it is mostly used in oil & gas machinery ,Sowant also can offer you other UN thread gages, acme thread ring gage in 2 weeks ,some mod thread gage need 5 week.