Ultraloq U-Bolt Series fit the standard doors with a borehole of 2-1/8" (54 mm) diameter. If your door is not prepped with a borehole, you can use the template included in the box as a guide to drill the hole as well.
U-Bolt Pro WiFi
U-Bolt Pro Z-Wave
Installation Tips for Ultraloq U-Bolt Series:
Note: ANY WRONG STEP WILL LEAD TO THE WHOLE INSTALLATION ALL FAILED.
- Please DON'T insert the mechanical key during the whole installation.
- Keep the Bolt shrink and the cylinder tailpiece horizontal.
- Keep the knob of the U-Bolt in the Unlock position when you install it.