Factory Direct Supply Left-Handed Rock Bolt for Underground Mine

• After-sales Service: After Received 1year
• Warranty: After Received 1year
• Certification: CE, ISO 9001:2000, ISO 9001:2008, SGS
• Standard: BS, GB, ASTM
• Surface Treatment: Galvanized
• Manufacturing Process: Forging
• Model NO.: 18mm
• Material: Stainless Steel
• Color: Black,Silver,Grey,Red
• System of Measurement: Inch, Metric
• Capacity: 500MPa
• Diameter: 16,18,20mm
• Application: Coal Mine/Roadway Support
• Length: Customized
• MOQ: 1000 PCS
• Advantage: Qem Customized Service Provided
• Sample: Avaliable
• Packaging: Paper Carbon + Wood Pallet According to Customer′s
• Finish: Bright(Uncoated), Longer Life Ticn
• Delivery Time: 5-10days
• Transport Package: Pallet
• Specification: 1.4-3m
• Trademark: LB
• Origin: China
• HS Code: 7326909000
• Production Capacity: 10000 Tons/Month

Product Description

Product Description

As a tension member deep in the stratum, one end of the bolt is connected with the engineering structure, and the other end is deep in the stratum. The whole bolt is divided into free section and anchoring section. The free section refers to the tension at the head of the bolt is transmitted to the solid area of the anchor, and its function is to apply prestress to the bolt.

Product Parameters

Steel grade(Mpa)	Rod diameter(MM)	Yield Strength(KN)	Tensile Strength(KN)	Minimum elongation(%)
MG335	16	62.8	91.9	15
	18	82.8	121.1	15
	20	119.3	174.5	15

 

Product feature

1.Strong carrying capacity
The carrying capacity of anti-twist bolt of the same specification is increased.
2.Rational construction
The structure is reasonable, the whole thread length of the bolt is equal to strong, which solves the disadvantages of low strength of the thread and the beat of the anti-twist bolt.
3.Easy install
Simple operation,low price,widely used in coal mine,railway,hydropower and other projects all kinds of roadway support.

Packaging & Shipping

Company Profile

We are a manufacturer and exporter specializing in providing supporting materials for coal mines, construction projects and large concrete projects. We mainly produce anchor rods, trays, resin anchors, mesh, W steel belts, u-beams, anchors and other supporting materials for coal mine projects, and our supporting materials are exported to more than ten countries and regions, such as the United States, Europe, Russia and so on. It is one of the important manufacturers and exporters of anchoring materials in China.
We have passed a series of certificates such as Quality Management System Certification and Environmental Management System Certification.
Our enterprise vision is: casting industry famous brand, building industrial and mining leading enterprises.
we can supply high-quality products to meet the requirements of top-ranking customers in this field from different countries in the world.
We always strive to be the leader in the industry and create a more valuable one-stop service platform for coal mine support materials for our customers.

FAQ

1. who are we?

We are based in Hebei, China, start from 2011,sell to Domestic Market(50.00%),Southeast Asia(10.00%),North America(9.00%),Africa(9.00%),Western Europe(5.00%),Mid East(5.00%),Eastern Europe(3.00%),South America(2.00%),Oceania(2.00%),South Asia(1.00%),Eastern Asia(1.00%),Southern Europe(1.00%),Central America(1.00%),Northern Europe(1.00%). There are total about 101-200 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Friction Bolt, Solid Deformed Bar, Resin Capsule, Welded Wire Mesh Sheet, Domed Plate

4. why should you buy from us not from other suppliers?
Handan Zhongfu Industrial and Mining Accessories Co., Ltd. was established in 2011, located in Hebei-Yongnian, China's fastener industry base. It has built its own modern large-scale industrial and mining supporting material production workshop, anchoring

5. what services can we provide?
Accepted Delivery Terms: FOB;
Accepted Payment Currency:USD;
Accepted Payment Type: T/T,L/C,D/P D/A;
Language Spoken:English,Chinese