European technical assessment ETA-2 1 / 0 6 2 4
English translation prepared by CSTB
Table B5:
Parameters of drilling and setting tools for hammer drilling with
hollow drill bit (HDB)
Element
Hammer drilling,
Rebar
hollow drill bit
Size
8
10
12
12
14
16
18
20
22
24
25
26
28
1)
With vacuum cleaner Hilti VC 20/40/60 (automatic filter cleaning activated) or vacuum cleaner with activated
automatic filter cleaning as well as volumetric flow rate at turbine ≥ 57 l/s, volumetric flow rate at end of hose
≥ 106 m³/h and partial vacuum ≥ 16 kPa.
2)
Assemble extension HIT-VL 16/0,7 with coupler HIT-VL K for deeper drill holes.
Injection system Hilti HIT-FP 700 R for rebar connections
Intended Use
Parameters of drilling and setting tools for hammer drilling with hollow drill bit
Drill (no cleaning required)
Brush
Air nozzle
1)
HIT-RB
HIT-DL
(HDB)
d
[mm]
Size
0
12
12
14
14
16
18
20
No cleaning required
22
25
28
32
32
35
35
Extension for
Piston plug
air nozzle
Size
[-]
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Installation
Extension
Maximum
for piston
embedment
HIT-SZ
plug
2)
Size
[-]
l
v,max
12
HIT-VL
9/1,0
12
14
14
HIT-VL
11/1.0
16
18
20
22
HIT-VL
25
16/0,7
28
and/or
32
32
HIT-VL 16
35
35
Annex B5
length
-
3)
[mm]
400
400
400
400
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000