Kupo female 1/4"-20 to male 3/8"-16 thread adapter w/1.18" flange is also known as a reducing bushing. It is perfect for converting a 3/8"-16 female thread to a 1/4"-20 female thread.
Kupo female 1/4"-20 to male 3/8"-16 thread adapter w/1.18" flange is also known as a reducing bushing. It is perfect for converting a 3/8"-16 female thread to a 1/4"-20 female thread.