Things to Consider
- For use in frames with existing wall anchor prep installed & butted to finished wall
- Minimum 3” in length for UL label
- Expansion bolts are available in 5” or 6” length from HMF Express
- Bolts are 3/8” diameter, 11/16” fluted head (1/4” deep) for #3 Phillips screw bit
- Wood lag screws are available in 4” length
- Lag screws are 3/8” overall diameter for ¼” pilot hole with same head as bolts
Red Flags
- No fire rating available using wood lag screws
 |
 |
 |
| Stock expansion bolts | Stock wood lag screws | Prep before & after dimple |
 |
 |
 |
| Bolt installed in prep | View from throat of frame | As tightened, the bolt pulls through and expands in drilled hole |