Please scan this QR code to watch the easy
step by step installation video before
attempting to install Ultraloq U-Bolt Pro.
1”
25 mm
53 mm
2
1
/
8
”
(33 mm ~ 50 mm)
1
5
/
16
”
~
2 ”
2
3
/
4
”
2
3
/
8
”
(70 mm)
OR
(60 mm)
Installation Guide
Installation Video
- 3 -
1. Preparing Door
Check the door’s dimensions.
Step 1
Measure to confirm that the door is between
1
5
/
16
”
~
2 ”
(33 mm-50 mm) thick.
Step 2
Measure to confirm that the diameter of the hole is
2
1
/
8
”
(53 mm).
Step 3
Measure to confirm that the backset is either
2
3
/
8
” or 2
3
/
4
”
(60 mm or 70 mm) .
Step 4
Measure to confirm that the diameter of the hole in the door
edge is
1”
(25 mm).
Step 5
Measure to confirm the depth of the hole in the frame is less than
1''(25mm).
If you have a new door, please drill the holes according to Drill
Template.
Or you can also view the webiste directly.
www.u-tec.com/lock/U-bolt_pro/guide
1''(25mm)