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Self-drilling bars
Passive tie-rods quick to apply
and also suitable for tight spaces
Efficient self-drilling bars for geotechnical anchoring, tunneling, and soil stabilization.
Advantages
Fast installation and in small spaces
The bar can be used both as a tie rod and as a drilling rod
It is not necessary to coat the hole to stabilise it
The perforation diameter is always larger than that of the drill
Product application
Systematic anchoring of rock faces
Systematic anchoring in underground works.
Threefold action
Drilling rod
Injection duct
Seal body
On detail
Working steps
Perforating
The self-drilling bar, at the end of which a disposable drill bit is positioned, is used as
a drilling rod.
Conjunction
In order to reach the desired length, a second bar is connected by means
of a special sleeve
Injection
Tt the time of drilling, pressurised cement is injected inside the bar, which, as it escapes, creates a sheath around the bar useful for the bar/soil connection and to protect against corrosion.
End of the bar
A spreader plate is applied to the surface with a special nut or eyebolt as required.
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Specifications
Find detailed specifications including dimensions, weights, chemical compositions, mechanical properties, and dimensional tolerances.
Specifications
Find detailed specifications including dimensions, weights, chemical compositions, mechanical properties, and dimensional tolerances.
Specifications
Find detailed specifications including dimensions, weights, chemical compositions, mechanical properties, and dimensional tolerances.
Business values
We have always been guided by a strong ethical commitment and a value-based code that directs our actions and behaviors.
Integrity & loyalty
We uphold honesty and transparency in every interaction, ensuring trust and accountability in all we do.
Legality & impartiality
We embrace creativity and forward-thinking to develop cutting-edge solutions and drive industry progress.
Transparency & fairness
We strive for the highest standards in quality, service, and performance to exceed expectations every time.
Business values
We have always been guided by a strong ethical commitment and a value-based code that directs our actions and behaviors.
Integrity & loyalty
We uphold honesty and transparency in every interaction, ensuring trust and accountability in all we do.
Legality & impartiality
We embrace creativity and forward-thinking to develop cutting-edge solutions and drive industry progress.
Transparency & fairness
We strive for the highest standards in quality, service, and performance to exceed expectations every time.
Business values
We have always been guided by a strong ethical commitment and a value-based code that directs our actions and behaviors.
Integrity & loyalty
We uphold honesty and transparency in every interaction, ensuring trust and accountability in all we do.
Legality & impartiality
We embrace creativity and forward-thinking to develop cutting-edge solutions and drive industry progress.
Transparency & fairness
We strive for the highest standards in quality, service, and performance to exceed expectations every time.
Technical specifications
The bars comply with the requirements of European standard EN 14490.
Model
32-210
32-250
32-280
32-320
32-360
32-400
38-420
38-500
38-540
38-600
51-550
51-660
51-800
51-930
76-1380
76-1600
89-1470
101-1970
101-2450
Yield Strength
160 kN
190 kN
220 kN
250 kN
280 kN
330 kN
350 kN
400 kN
450 kN
480 kN
450 kN
540 kN
640 kN
730 kN
1100 kN
1280 kN
1180 kN
1560 kN
2050 kN
Breaking strength
210 kN
250 kN
280 kN
320 kN
360 kN
400 kN
420 kN
500 kN
540 kN
600 kN
550 kN
660 kN
800 kN
930 kN
1380 kN
1600 kN
1470 kN
1970 kN
2450 kN
Section
330 mm2
370 mm2
410 mm2
470 mm2
520 mm2
595 mm2
670 mm2
745 mm2
802 mm2
910 mm2
810 mm2
975 mm2
1210 mm2
1325 mm2
1990 mm2
2335 mm2
2413 mm2
2750 mm2
3499 mm2
Weight
3 kg/m
3.15 kg/m
3.5 kg/m
3.8 kg/m
4.1 kg/m
4.8 kg/m
5.4 kg/m
5.7 kg/m
6.6 kg/m
6.9 kg/m
7 kg/m
7.9 kg/m
9.3 kg/m
10.4 kg/m
15.9 kg/m
18.5 kg/m
18.4 kg/m
21.4 kg/m
27.2 kg/m
Thickness
4.00 mm
4.30 mm
4.85 mm
5.80 mm
6.60 mm
8.20 mm
6.90 mm
8.00 mm
9.00 mm
10.60 mm
5.90 mm
7.30 mm
9.10 mm
10.40 mm
10 mm
12 mm
10 mm
10 mm
12.5 mm
Nominal diameter
32 mm
32 mm
32 mm
32 mm
32 mm
32 mm
38 mm
38 mm
38 mm
38 mm
51 mm
51 mm
51 mm
51 mm
76 mm
76 mm
89 mm
101 mm
101 mm
Other diameters upon request
Upon request for bars and accessories ZINC PLATING for max. 3 m according to UNI EN ISO 2081:2018 and UNI EN ISO 9227
Tip
Triple
Blade
Tetra
Blade
Button
Drop
Button
R32
76
51
55
76
51
55
76
51
55
76
R38
76
76
90
115
76
90
100
76
90
115
Thread steel
R51
95
110
100
115
100 | 115
130 | 150
180 | 200
100 | 115
130 | 150
180 | 200
Bits - Drill Bits
R76
-
115
130
150
100 | 115
130 | 150
180 | 200
130 | 150
180 | 200
R32
76
51
51
76
-
R38
76
-
76
90
115
130
-
With Widia inserts
R51
-
-
90
115
130
-
R76
-
-
130
-
Sample accessories
At ASG SpA, we value integrity, innovation, and excellence. These principles guide our
Accessories
Nuts
Accessories
Special accessories adaptor - eyebolts
Accessories
Flate plates - curved plates
Accessories
Plates with protection
Accessories
Sleeves
Accessories
Milling cutter for hardened steel
Get a quote
Request a personalized quote for your steel product needs. Fast, simple, and tailored to your project!
Get a quote
Request a personalized quote for your steel product needs. Fast, simple, and tailored to your project!
Get a quote
Request a personalized quote for your steel product needs. Fast, simple, and tailored to your project!
Overview
At ASG SpA, we value integrity, innovation, and excellence. These principles guide our commitment to quality and trust.
5 thousand
Satisfied customers
across 30 countries
2 million+
Steel delivered
annually
10.000+
Projects completed
on time every year
50+
Employees and
collaborators
35%
Export
orders
100K+
Stock
available
500+
Completed projects
on time
Overview
At ASG SpA, we value integrity, innovation, and excellence. These principles guide our commitment to quality and trust.
5 thousand
Satisfied customers
across 30 countries
2 million+
Steel delivered
annually
10.000+
Projects completed
on time every year
50+
Employees and
collaborators
35%
Export
orders
100K+
Stock
available
500+
Completed projects
on time
Overview
At ASG SpA, we value integrity, innovation, and excellence. These principles guide our commitment to quality and trust.
5 thousand
Satisfied customers
across 30 countries
2 million+
Steel delivered
annually
10.000+
Projects completed
on time every year
50+
Employees and
collaborators
35%
Export
orders
100K+
Stock
available
500+
Completed projects
on time
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Quick links
Find what you need
quickly and easily
Start a project
Kickstart your project with our premium steel solutions.
Latest news
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Carrers
Join our team and shape the future of steel innovation.
Quick links
Find what you need
quickly and easily
Start a project
Kickstart your project with our premium steel solutions.
Latest news
Stay updated with the latest news and industry insights.
Carrers
Join our team and shape the future of steel innovation.
Quick links
Find what you need
quickly and easily
Start a project
Kickstart your project with our premium steel solutions.
Latest news
Stay updated with the latest news and industry insights.
Carrers
Join our team and shape the future of steel innovation.
Forging the
future of steel
Language
English
Products
Services
Cod. Fisc. e P.I. IT05427400964
Via delle Industrie 50 - 20884 Sulbiate, MB
Forging the
future of steel
Language
English
Products
Services
Cod. Fisc. e P.I. IT05427400964
Via delle Industrie 50 - 20884 Sulbiate, MB
Forging the
future of steel
Language
English
Products
Services
Cod. Fisc. e P.I. IT05427400964
Via delle Industrie 50 - 20884 Sulbiate, MB