| One side manual or power tool assembly. |
Two wrench assembly. |
| Firmly staked in place parallel to the material. |
Loose nut must be positioned and started. May cock or tilt. |
| Low profile of Plug Nut uses shorter screw for same clamp load than either bolt and nut, or recessed insert. No gaps in matching surfaces. |
Deformed assembly uses longer screw, and allows gap between matching surfaces. |