THREADED INSERT - 4-40 (Part # DUB391)

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These are Brass Threaded Inserts from Du-Bro. FEATURES: Brass threaded inserts. The perfect way to put threads into wood & mount engines to wood mounting rails. Threaded inserts ma ke a simple & effective way to make wing hold downs. These can be used where blind nuts are hard to fit. INCLUDES: (4) Threaded Inserts SPECS: Thread Size: 4-40 Length: 7mm Show more