Creating Sub in Assy environment

[lkirit2000]

Hi Team

Please see attached image. I have assembled bolt, washer and nut to frame assembly as single parts. Then I saw it is repeating many places. Then I thought, in order to save time I planned to combine these a bolt as sub assembly. 

Is it possible to select these parts and make a sub assy from main assy or do I need to create a new assy file and assemble one by one?

Thanks 

Kiri

[A.Acheson · Accepted solution]

Select all parts required for sub assembly, right mouse click and select demote. You will be promted to save the new sub assembly. Bolt generator can also do this and you can create a modifiable  sub assembly saving the configuration in a set for reuse.