Add non-standard fastener sizes in Fusion.
On the Design workspace toolbar, click Solid > Insert > Insert Fastener .
The Insert Fastener dialog displays.
In the dialog, browse to a fastener family and select the fastener you need.
Hover over the Nominal Size value to bring up the More menu.
Click the More menu .
Click Add Size.
Fill in the values to create a unique fastener.
Click Save to Hub Library .
Hover over the Nominal Length value to bring up the More menu.
Click the More menu .
Click Add Length.
Fill in the values to create a unique fastener.
Click Save to Hub Library .
Click OK.
The new value is added as a non-standard size and the fastener is inserted using that size.