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DU-BRO 4-40 Threaded Inserts 4 Pack

Original price $4.79 - Original price $4.79
Original price
$4.79 - $4.79
Current price $4.79
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Free Delivery on U.S.A. Orders $99 or more

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These brass threaded inserts by Dubro are the perfect way to mount engines to wood mounting rails. Threaded inserts make a simple and effective way to make wing hold downs and can be used where blind nuts are hard to fit. 

Check out all of our wing hardware and all our DU-BRO products!


  • 4x DU-BRO 4-40 Threaded Inserts