Wingnut Ferrule Insert

wingnut ferrule insert
AOP Precast produced wing nut ferrule insert by high grade steel using in thin precast concrete or short inserts application. This wing nut ferrule insert is closed at the back end of the ferrule to keep concrete from getting into the threads. The wing nut ferrule insert will accept only NC threaded bolts of appropriate diameters. The wing nut ferrule insert similar to ferrule loop insert.

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