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DESCRIPTION：Friction bolt (Split sets) is a frictional ground support system.
47mm Split Set Anchor Bolt Factory Manufacturer High Quality Mine Support Product
Functions
Friction bolt (47mm Split sets) is a frictional ground support system.When friction bolt is inserted into drilling hole with smaller diameter, the slot partially closes and bolt diameter is compressed, which creates radical forces on rock roof surface along the whole length and firmly holds the rock.
Features&Advantages
1. Made from high strength steel band
2. Immediate frictional Support in axial and radial
3. Independent supporting without plate
4. Easy for installation
5. Simple design,cost saving
6.
Available in black,cold
galvanizing or hot dip galvanized
| Technical Data | SS33 | SS39 | SS42 | SS47 | |
| Drill Hole Diameter(mm) | 30-32 | 35-38 | 38-40 | 43-45.5 | |
| Min.Yield Strength(kn) | 80 | 90 | 100 | 120 | 135 |
| Min.Tensile Strength(kn) | 100 | 120 | 132 | 165 | 180 |
| Typ.Tensile Strength(kn) | 120 | 135 | 150 | 180 | 200 |
| Elongation(%) | >20 | >20 | >20 | >20 | |
| Typ.Anchorage(ton) | 4-6 | 4-7 | 5-8 | 6-10 | |
| Beading Plate(mm) | 150×150×4 | 150×150×4 | 150×150×4.5 | 150×150×5 | |
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