Dubro Threaded Insert Set – 4-40 UNC, 4-Piece Pack (Model Dub391)

Description

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 make a simple & effective way to make wing hold
downs.
These can be used where blind nuts are hard to fit.
INCLUDES
(4) Threaded Inserts
SPECIFICATIONS 
Thread Size: 4-40
Length: 7mm

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