Dubro 391 Threaded Insert 4-40 (4)

Dubro 391 Threaded Insert 4-40 (4)

These are Brass Threaded Inserts from Du-Bro.

Features

• Dubro 391 Threaded Insert 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.

Specifications

• Thread Size: 4-40

• Length: 7mm

Contents

• (4) Threaded Inserts
  
  
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