You will need to be in assemble for this, Go to the Design tap in your ribbon and click on Bolted Connection.
This will open up a box with, you can pick what method you want to use to create this bolted connection....
This is much like creating a hole on an IPT...
I have picked ' By Hole ' for this tutorial.
1. Start plane
2. Click on top surface
1. Existing hole
2. Click on hole
2. Click on bottom plane
Click on 'Add fasteners'
Pick what you need.
Working your way down by picking what type of
Bolt, nut, washers you require.
Click on save Icon..
This will allow you to export the (*mxl) file
Type the file name (( what ever will suit your Bolted Connection ))
Save to any where you want on your computer....
If you want to insert your new bolted connection back in to your assy
1. Design Tap
2. Bolted Connection
3. Open folder
4. Select (*mxl) file
5. Click on your the top surface
5. Click on hole
6. Click on bottom surface