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| MINING |
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| TUNNELING |
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| CONSTRUCTION INDUSTRY |
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99103432 |
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GRIPS FOR SECONDARY BOLTING
GRIPS FOR SECONDARY BOLTING
Intended use
- Grips are designed for secondary bolting of arches made out of V25, V29 and V36 shaped section.
Technical description
- According to arch section shape there are following type of grips:
| Arch type |
Grip type |
Rod thread |
| V25 |
U-V25-24 |
M24 |
| V29 |
U-V29-24 |
M24 |
| V36 |
U-V36-24 |
M24 |
| Arch type |
Grip type |
Rod thread |
| V25 |
U-V25-20 |
M20 |
| V29 |
U-V29-20 |
M20 |
| V36 |
U-V36-20 |
M20 |
Technical data
| Grip width |
V25 – 70 mm
V29 – 80 mm
V36 – 80 mm
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| Hole diameter |
ø26 mm–for thread M24
ø22 mm–for thread M20
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Grips for secondary bolting U-V25-24 ; U-V29-24 ; U-V36-24 and hooked screws M24 have Certificate allowing the product to be marked with the safety mark No. B/1160/2005 issued by Central Mining Institute in Katowice.
Grips for secondary bolting U-V25-20 ; U-V29-20 ; U-V36-20 and hooked screws M20 have Certificate allowing the product to be marked with the safety mark No. B/1194/2005 issued by Central Mining Institute in Katowice.
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