Threaded inserts dubro 4-40 (4)...
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