Friction Bolt Ø47 mm
Friction bolts
Friction Bolt Ø47 mm
- Bar diameter
- Ø47 mm
- Standard length
- 2.10 - 3.00 m
- Yield strength
- Minimum: 400 MPa – 137 kN / Typical: 445 MPa – 153 kN
Manufactured from high-strength slotted steel with a welded collar, the Friction Bolt offers fast installation, immediate load-bearing capacity, and reduced bending on insertion. Load testing and optional hot-dip galvanizing provide added safety and durability.
Features
-
Fast, reliable installation
The Friction Bolt is manufactured from high-strength slotted steel with a welded collar and domed plate, enabling quick installation and immediate load-bearing capacity in varying ground conditions.
Fast, reliable installation
The Friction Bolt is manufactured from high-strength slotted steel with a welded collar and domed plate, enabling quick installation and immediate load-bearing capacity in varying ground conditions.
The Friction Bolt is manufactured from high-strength slotted steel with a welded collar and domed plate, enabling quick installation and immediate load-bearing capacity in varying ground conditions.
-
Enhanced strength and performance
Made from micro-alloyed steel, the bolt delivers elevated yield stress, reducing bending during insertion and ensuring consistent anchorage even in challenging rock formations.
Enhanced strength and performance
Made from micro-alloyed steel, the bolt delivers elevated yield stress, reducing bending during insertion and ensuring consistent anchorage even in challenging rock formations.
Made from micro-alloyed steel, the bolt delivers elevated yield stress, reducing bending during insertion and ensuring consistent anchorage even in challenging rock formations.
-
Tested and protected for safety
Bolts can be load tested with a pull ring and hydraulic jack to verify anchorage, while optional hot-dip galvanizing provides superior corrosion protection for long-term durability
Tested and protected for safety
Bolts can be load tested with a pull ring and hydraulic jack to verify anchorage, while optional hot-dip galvanizing provides superior corrosion protection for long-term durability
Bolts can be load tested with a pull ring and hydraulic jack to verify anchorage, while optional hot-dip galvanizing provides superior corrosion protection for long-term durability
Product specifications
Technical specifications
| Bar diameter |
Ø47
mm
|
|---|---|
| Standard length |
2.10 - 3.00
m
*
|
| Yield strength |
Minimum: 400 MPa – 137 kN / Typical: 445 MPa – 153 kN
|
| Tensile strength |
Minimum: 460 MPa – 158 kN / Typical: 505 MPa – 174 kN
|
| Mass per metre |
2.70
kg
|
-
* Non-standard lengths are available on request.
| Bar diameter |
Ø47
mm
|
|---|---|
| Standard length |
2.10 - 3.00
m
|
| Yield strength |
Minimum: 400 MPa – 137 kN / Typical: 445 MPa – 153 kN
|
| Tensile strength |
Minimum: 460 MPa – 158 kN / Typical: 505 MPa – 174 kN
|
| Mass per metre |
2.70
kg
|
| Hole diameter range |
Ø43 mm min. / Ø45.5 mm max.
|
| Cross sectional area |
344
mm²
|
Our range of friction bolts
Friction Bolt Ø39 mm
- Bar diameter
- Ø39 mm
- Standard length
- 0.45 - 3.00 m
- Yield strength
- Minimum: 345 MPa – 75kN / Typical: 445MPa – 100 kN
Friction Bolt Ø33 mm
- Bar diameter
- Ø33 mm
- Standard length
- 0.45 - 3.00 m
- Yield strength
- Minimum: 415 MPa – 75 kN / Typical: 510 MPa – 90 kN
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