Anchor anchor metal screw KAMSH
Application area
Anchor metal screw anchorage is used for fixing unstable layered salt and clay rocks in mine workings. Anchor fixing is carried out mechanically by screwing into a hole of a smaller diameter than the diameter of the anchor.
Completeness
- round steel rod with screw knurling (thread);
- support washer;
- passport.
Specifications
| Name of the parameter | Meaning |
| Temporary tensile resistance of the anchor rod material, MPa, not less | 240 |
| Bearing capacity, kN, not less | 80 |
| Outer diameter of the screw surface, mm | 31,6-1,6 |
| Inner diameter of the screw surface, mm | 19-1,3 |
| Turn step, mm | 30±3 |
| The angle at the top of the turn | 45±5,0° |
| Anchor length, mm | 1500±90 |
| Shank for a flat support washer | |
| Length, mm | 50±10 |
| Width, mm | 33-40 |
| Thickness, mm | 10±1,0 |
| Shank for spherical support washer | |
| The size of the wrench, mm | 36 |
| Diameter of the hole, mm | 25-27 |
| Length, mm | 40±10 |
| Width, mm | 36±0,5 |
| Thickness, mm | 19±5 |
| Weight of the support, kg, no more | 4,5 |
| Support washer | |
| Thickness, mm | 8-12 |
| Width, mm | 100±3* |
| Length, mm | 100±3* |
* - in agreement with the customer, the support washer can be of other sizes.
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