Threaded Adapter Female 1/2-20 UNF To Male 1/2-28 UNEF Accessories #
£12.78
Custom made adapter - female 1/2-20 UNF to 1/2-28 UNEF male thread. Custom made adapter - female 1/2-28 UNEF to 1/2-20 UNF male thread,Material is Hard aluminum alloy. Through bore is 8 mm (0.315") wide.
