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