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Help CenterHigh Quality Coal Mine Roof Bolt Prestress Anchor Bolt
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High Quality Coal Mine Roof Bolt prestress Anchor Bolt
Brief introduction
Self drilling rock anchor bolt is a bolting solution for unstable ground conditions such as sand, gravel, silt, and clays, and in soft to medium fractured rock formations.
For projects facing above geo-conditions, hollow bar self-drilling anchor should be considered as the main solution cuz it's designed for optimized installation, tailored to the project's needs.
By drilling a hole in collapsing soil or loose lock, with a sacrificial drill bit an a hollow bar, and after the drilling operation injecting cementitious grout or resin into the hollow bar and surrounding cavity, it's a top solution choice.
material:carbon steel 4.8, 5.8, 6.8, 8.8 grade are all available
finish:yellow/blue/white zinc plated, hot dip galvanized
stainless steel,garde 304,316
wedge anchor with single clip type,
wedge anchor with double clips type,
Specification:
outside diameter of rod body |
load capacity(KN) |
|||
HRB335 |
HRB400 |
HRB500 |
HRB600 |
|
16 |
100 |
120 |
135 |
|
18 |
126 |
150 |
172 |
206 |
20 |
157 |
180 |
210 |
260 |
22 |
190 |
225 |
250 |
310 |
25 |
240 |
295 |
325 |
395 |
1). Good quality
We believe quality is the base of long-time business cooperation. so we have strictly quality control system to make sure our goods matching customer's standard. All the products will be strictly inspected before by SGS team.
2). Quick response
We think quick response to your question and all requirement is very very important for your business.
3). Competitive price
We have our own factory and long-term cooperating suppliers, that's why we can give the most competitive prices.
Shandong province Xintai City Qiangli Chain Co., Ltd was founded in 1998, has nearly 20 years of history. The
registered capital 5 billion RMB, is a professional company of production and sales cirque chain .
Our Company has strong technological power, complete testing equipment,and the domestic advanced level of
chain design development and process control means. Products are widely used in coal mine, cement,
Metallurgy, hoisting, ship, boiler slag, greening and other industries.
Send Inquiry to This Supplier
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