The barb of bolt tray can be positioned in the drilled hole, and the rod body is well centered. The bolt tray is one of the parts of the pipe joint bolt, its material is made of welded ring and rolled head, and the ring cutting is made to make the retaining ring.
Material: Q235,Q345
Size: 150*150*10, 150*150*8, 140*140*10, 140*1
Model: split sets
Specification: 18*2m, 16*6m (customize according to customer requirement)
Material: 16Mn, 20Mnsi
Characteristic:
1. High strength alloy strip steel is used for raw materials;
2. The simplest installation;
3. No anchoring agent;
4. Large friction force between the bolt and rock mass;
5. High shear and tensile strength;
6. Equipped with high-strength pallet, the pallet is evenly distributed;
7. The roadway height is greater than the bolt length.
Specification: 18*2m, 16*6m (customize according to customer requirement)
Material: 16Mn, 20Mnsi
Characteristic:
1. High strength alloy strip steel is used for raw materials;
2. The simplest installation;
3. No anchoring agent;
4. Large friction force between the bolt and rock mass;
5. High shear and tensile strength;
6. Equipped with high-strength pallet, the pallet is evenly distributed;
7. The roadway height is greater than the bolt length.
If you are intrested in our products please visit our website: https://www.zxminesupport.com/
U-steel support is a kind of passive support of coal mine support, the tensile strength and the compressive strength is higher, it also has good toughness properties
Material: 20Mnk
Size: 29U
Specification: single beam, double beam, treble beam, grade beam
We can supply the products with high quality and competitive price, if you are intrested in our products please visit the website:https://www.zxminesupport.com
