3/8"-16 to 1/4"-20 x 1" (1/2" AF) Reducer Coupling Nuts / A563 Grade A Steel/Zinc Plated (Quantity: 50)

Reducer Hex Coupling Nuts - Accommodates Two Different Thread Sizes | Reducer Hex Coupling Nut from-to: 3/8"-16 to 1/4"-20 | Across the Flats: 1/2" / Length of Nut: 1" | Also referred to as Rod Couplings | Accommodates Two Different Thread Sizes