resin anchoring rock bolt - 16 18 20 22 25 Specificaton & Trade Terms
| Model | 16 18 20 22 25 |
|---|
| Place Of Origin | Shandong(China) |
|---|
| Price Term | EX-Work |
|---|
| Payment Term | T/T |
|---|
resin anchoring rock bolt(Prestressed Bolt) :
Thread bar Bolt is composed of screw thread steel bar , high strength plate ,casting damping nut ,yield tube, washer , and other accessories . According to the structure of steel bar ,the bolt has two stypes : Rib Rebar Bolt and Non-Rib Rebar Bolt .
The bolt is usually used in thick coal seam ,that has high stress, large deformation, difficult to support and other poor environment .
Feature :
(1) The bolts have high strength stress ,good support capacity can prevent the roof from sinking down ,and the strata sliding .
(2) Fast and easy installation by mechanized tools.
(3) Be used with resin anchoring cartridge for permanent support .
(4) Be used in high stressed ,large deformed area .
(5) Low price, widely used in coal mines, railways, hydropower and other types of roadway projects.
(6)Thread profile has higher strength than rod and offers excellent mixing capabilities in resins installation
