Friction Bolt Ø33mm
Friction bolts
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
The Ø33 mm Friction Bolt, manufactured from high-strength slotted steel with a welded collar, provides reliable ground support, is compatible with handheld rock drills, and can be load tested with a hydraulic jack.
Features
-
High-strength design
Manufactured from slotted high-strength steel tubing with a welded collar to secure the domed plate firmly against the rock surface.
High-strength design
Manufactured from slotted high-strength steel tubing with a welded collar to secure the domed plate firmly against the rock surface.
Manufactured from slotted high-strength steel tubing with a welded collar to secure the domed plate firmly against the rock surface.
-
Easy installation
The Ø33 mm Friction Bolt is designed for handheld rock drills (stoppers/drifters) and is driven into holes at least 150 mm longer than the bolt for secure placement.
Easy installation
The Ø33 mm Friction Bolt is designed for handheld rock drills (stoppers/drifters) and is driven into holes at least 150 mm longer than the bolt for secure placement.
The Ø33 mm Friction Bolt is designed for handheld rock drills (stoppers/drifters) and is driven into holes at least 150 mm longer than the bolt for secure placement.
-
Load testing and protection
Bolts can be pull tested using a special ring and hydraulic jack, with optional hot-dip galvanizing available for added corrosion resistance.
Load testing and protection
Bolts can be pull tested using a special ring and hydraulic jack, with optional hot-dip galvanizing available for added corrosion resistance.
Bolts can be pull tested using a special ring and hydraulic jack, with optional hot-dip galvanizing available for added corrosion resistance.
Product specifications
Technical specifications
| Bar diameter |
Ø33
mm
|
|---|---|
| Standard length |
0.45 - 3.00
m
*
|
| Yield strength |
Minimum: 415 MPa – 75 kN / Typical: 510 MPa – 90 kN
|
| Tensile strength |
Minimum: 510 MPa – 90 kN / Typical: 610 MPa – 105 kN
|
| Mass per metre |
1.53
kg
|
-
* Non-standard lengths are available on request.
| Bar diameter |
Ø33
mm
|
|---|---|
| Standard length |
0.45 - 3.00
m
|
| Yield strength |
Minimum: 415 MPa – 75 kN / Typical: 510 MPa – 90 kN
|
| Tensile strength |
Minimum: 510 MPa – 90 kN / Typical: 610 MPa – 105 kN
|
| Mass per metre |
1.53
kg
|
| Hole diameter range |
Ø33 mm min. / Ø32 mm max.
|
| Cross sectional area |
175
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 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
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