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| Brand Name : | Minetech |
| Model Number : | MF39 |
| Certification : | ISO9001 |
| Price : | $3-$300 |
| Payment Terms : | Western Union, MoneyGram, T/T |
| Supply Ability : | 30000 pieces per month |
| Delivery Time : | 15-30 days |
39mm Mining Rock Friction Bolt Roof Support for Mine Seam Pipe
39mm Mining Rock Friction Bolt Roof Support for Mine Seam Pipe Product Description
The friction stabilization anchor is a new type of anchor that
provides full-length anchoring and active reinforcement of the
surrounding rock.
It consists of an anchor rod and a support.
The anchor rod is made of high-strength steel tubing with
longitudinal slits. When installed in a borehole slightly smaller
than the tubing diameter, the anchor rod immediately applies radial
pressure throughout the entire length of the borehole, preventing
the surrounding rock from sliding downward. Combined with the
support force of the support, the surrounding rock is subjected to
three-dimensional stress, thus achieving rock mass stability.
39mm Mining Rock Friction Bolt Roof Support for Mine Seam Pipe Specification
| Item no | Dimeter | Steel | Min Yield | Plate size |
| MF33 | 33mm | 2.5mm | 78KN | 150*150*4.0 |
| MF39 | 39mm | 2.5mm | 88KN | 150*150*4.0 |
| MF42 | 42mm | 2.5mm | 95KN | 150*150*4.5 |
| MF47 | 47mm | 3.0mm | 125KN | 150*150*5.0 |
39mm Mining Rock Friction Bolt Roof Support for Mine Seam Pipe Instructions
1. Determine the anchor hole location according to the design
requirements and drill the hole using a drill.
2. Use compressed air to blow away any rock dust in the hole.
3. Install the anchor plate onto the anchor and use a hammer drill
to drive the anchor into the hole.
39mm Mining Rock Friction Bolt Roof Support for Mine Seam Pipe Company Profile
Hebei Minetech Machinery Technology Co, Ltd. is located in Hebei province of China. Our company is a professional production and export tapered and thread rod, chisel and button bit and other mining drilling tools enterprises. With our rich experience for over a decade and with professional engineers and sales team, we focus on providing complete solutions for mining machinery.
39mm Mining Rock Friction Bolt Roof Support for Mine Seam Pipe Advantages
1. Simple installation, requiring only impact force;
2. No anchoring agent required;
3. High friction between the anchor rod and the rock;
4. High shear and tensile strength;
5. Equipped with a high-strength support plate for uniform load
distribution;
6. Provides immediate support in both radial and axial directions.



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| Company Info. |
| HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD |
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