SECRAFT

WING BOLT 1/4-20 

Nut: Aluminum 6061-T6 (anodized)
Bolt: Aluminum 2011-T6

Weight: 19.0g
Bolt length: 40 mm
2 per package

There are two ways to use

The first method
1) put the thread lock on to the screws then build with the aluminum nuts. 

The second method
1) Put the thread lock to on wing nuts.
2)Build the your airplane with wings.
3)Should adjust the screws with wings nuts to suitably length.