Bridgeport RAM-25M50F Thread Adapter M25 ext thrd to 1/2 NPT

https://nsiindustries.com/product/theaded-adapter-m-iso-thread-nickel-plated-alum-external-thread-m25-internal-thread-1-2-npt/

Theaded Adapter M (ISO) thread, nickel plated alum, external thread M25, internal thread 1/2″ NPT

Bridgeport RAM-20M50F Thread Adapter M20 ext thrd to 1/2 NPT

https://nsiindustries.com/product/theaded-adapter-m-iso-thread-nickel-plated-alum-external-thread-m20-internal-thread-1-2-npt/

Bridgeport RAM-20M50F Theaded Adapter M (ISO) thread, nickel plated alum, external thread M20, internal thread 1/2″ NPT

Bridgeport RAM-16M50F Thread Adapter M16 ext thrd to 1/2 NPT

https://nsiindustries.com/product/theaded-adapter-m-iso-thread-nickel-plated-alum-external-thread-m16-internal-thread-1-2-npt/

Theaded Adapter M (ISO) thread, nickel plated alum, external thread M16, internal thread 1/2″ NPT

Bridgeport RAM-16M37F Thread Adapter M16 ext thrd to 3/8 NPT

https://nsiindustries.com/product/theaded-adapter-m-iso-thread-nickel-plated-alum-external-thread-m16-internal-thread-3-8-npt/

Theaded Adapter M (ISO) thread, nickel plated alum, external thread M16, internal thread 3/8″ NPT