1/4''-28 UNF THREADED CONNECTOR COUPLER LONG DEEP NUT JOINER EXTENDER x 2pcs
2 x Steel threaded Joiners Connector Deep Nut : 1/4"-28 UNF. TPI : 28 ( 1/4" x 28 UNF). Thread Standard : UNF. We can manufacture connector nuts which can mix two different sizes or even types of threads.