To Reassemble a Fastener
1. Select a method that follows, for the reassembly:
a. On the Tools tab, click Reassemble.
b. Select a component of the fastener.
or
a. Select a component of the fastener.
b. On the Tools tab, click Reassemble.
or
a. Select a component of the fastener.
b. On the mini toolbar click Reassemble for a screw fastener or click Reassemble for a dowel pin fastener. The Select References dialog box opens.
2. Select the new references. Middle-click to accept the last reference.
3. Perform one of the following actions:
Click Apply to assemble the fasteners in a loop.
Click OK to assemble a single fastener.
Click Cancel to close the dialog box without assembling a fastener.
* 
Reassembled fasteners are logically grouped together. You can redefine grouped fasteners in one step.
Embedded components cannot be reassembled.