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- Contact Person : Ms. Xing kelly
- Company Name : Luoyang Gongyan Technology Co., Ltd.
- Tel : 86-379-63501959
- Fax : 86-379-63501159
- Address : Henan,Luoyang,Room 1102,Aolin Building, Taikang Road, Wangcheng Avenue
- Country/Region : China
- Zip : 471023
expansion sheel anchor rod
Expansion sheel anchor rod consists of steel shell-expansion anchor head, hollow anchor rod, grouting stopper, arch plate and nut. Coupling and grouting block are optional.
It is designed for hard rock at fractured zone with growing joints which may cause loosing of fractured rock and reducing of friction between rocks, resulting in loosing of surrounding rocks in larger area. Applying enough pre-stress would keep its stability.
Product Specification:
specification | GY25 | GY28 | GY32 |
external diameter(mm) | 25 | 28 | 32 |
Breaking load(KN) | ≥150-180 | ≥180-220 | ≥220-250 |
Interior diameter(mm) | ≥15 | ≥17 | ≥22 |
drilling diameter(mm) | 42 | 42 | 51 |
thread type | left hand | ||
standard length(m) | 1.0/1.5/2.0/2.5/3.0/3.5/4.0/4.5/5.0/6.0 | ||
length tolerance | ±2.5% | ||
expansion sheel anchor rod
