Figure 33. Marking
Prerequisites
Before proceeding with the drilling process, make sure that you have items
mentioned in the following table
Table 10. Parts and Tools for Drilling
Category
Woking Tools
Table 11. Anchor Bolt Drill Bits and Hole Depth
Category
RRH (Wall Type)
[Anchor Hole Cross Section]
[O]
1.7 in.
(44 mm)
* Remove the debris from the drilled hole.
Drill the anchor holes at the marked points. Remove dust from the holes using a
vacuum cleaner.
RT4401-48A Installation Manual v3.0
Copyright © 2019, All Rights Reserved.
Anchor Bolt
M10
[X]
Chapter 2 Installing System
Unit: in. (mm)/ : Marking Point
If it is level, the bubble of the
spirit level is positioned at the
center of both lines.
Description
Hammer Drill
Concrete Drill Bit [0.6 in. (14 mm)]
Vacuum Cleaner
Drill Bits
0.6 in. (14 mm)
Hole Depth
1.7 in. (44 mm)
0.7 in.
(17 mm)
36