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Jining Dongda Group Mining Machinery Co,.Ltd
Jining Dongda Group Mining Machinery Co,.Ltd  

Gold Index: 18341

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Mining Pipe seam bolt 

Price: 100.0~300.0 USD 
Payment Terms: T/T,WU 
Place of Origin: Shandong, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Land,Air
Packing: Wooden case
Application: Coal
Brand Name: Dongkuangan
Max height: 2500mm
Production Capacity: 10000 set one month
Delivery Date: 7 days after received the p...
Type: Others
working stroke: 800 mm 760mm
Min height: 1700mm

Pipe seam bolt can be used individually or with metal articulated roof beam.


dia. 10-50mm

Length: can be 18m per rod

Full thread GRP bolts, perfect thread fiberglass anchor bolt

Grp Anchor Rock Bolts Used In Underground Mining

1 The percentage of glass fiber: ≥80%

2 Tensile strength: ≥800N/mm2

3 Elasticmodulus: ≥37000 N/mm2

4 Breaking Extensibility: ≥2.5%

5 Bearing capacity of screw thread: ≥14KN/thread

6 Shear strength: ≥120Mpa




l  Light in weight (1/4th weight of steel rebar)

l  High strength to weight ratio

l  High corrosion resistance

l  Fire retardant

l  No electrical conductivity

l  Lower maintenance cost

l  Lower transportation fee

l  Easy cutting

l  Proper bonding to concrete

l  Good thermal insulation

l  Able to Mold into Complex Shapes



Installation procedure:


1.Drill hole at proper diameter and depth. Diameter is determined by on-site testing.

2.Insert friction bolt into the hole. A driving tool is fitted into the rock drill's chuck. Place friction bolt and plate onto the installation tool.

3.Using percussion and thrust, fully drive the friction bolt into the hole until the dome plate is tight against the rock surface.

Contact person: joanna 


Tel: +86-537-2902388  Fax: +86-537-2902388


Address : West of Zhixue Road,High-tech Zone,Jining City,Shandong Province,China


 Ms. joanna

Tel: 86-537-2902388
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Company Info

Jining Dongda Group Mining Machinery Co,.Ltd [China (Mainland)]

Business Type:Manufacturer
City: Jining
Province/State: Shandong
Country/Region: China (Mainland)

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