Luoyang Gongyan Technology Co., Ltd.
Main products:rock bolt,hollow bar,FRP rock bolt,thread bar,friction bolt
Products
Contact Us
  • 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

hollow grouting anchor bolt supplier

hollow grouting anchor bolt supplier
Product Detailed
1.Hollow grouting anchor bolt 2.Has good rock anchoring force 3.Used for support of underground project. 4.High strength

     Common hollow grouting anchour bolt is made of seamless steel pipe with thick wall. It consists of five parts, namely,

anchor rod, anchor head,grouting stopper, plate and nut. The hollow bar has international wave-shape thread.  It is easy to be installed with plate and nut. 

    With the high-strength coupling sleeve, any length could be available. It integrates anchoring and grouting as a whole. It functions as a grouting pipe while grouting,  without the need

of pulling out after finishing grouting. The anchors can be positioned in the middle of the hole very well with various

 fittings.Furthermore, it is sample and fast for installation.

Application Field:

1.Tunnel presupport 

2.Roof support in underground work

3.Slope and roaded reinforcement

Rock Anchor Name

Rock Anchor Size

Tensile Strength (kN)

Outside Diameter/ Tube Thickness (mm) 

Weight (kg) 

Threaded Orientation 

Rock Rod Normal Length (m)

Drilling Diameter (mm) 

Remark 

Hollow Grouting Rock Anchor

R25A

180

25/5

2.30

Left

2.5/3/3.5/4/4.5/ 5/5.5/ 6/8

42

Normal 

R27A

240

27/6

2.90

45

R32A

290

32/6

3.40

50

R38A

440

38/8

5.9

75

R51A

640

51/8

8.3

110

SD27

250

27/6

3.10

45

SD32

300

32/7

3.60

50

SD38

460

38/8

5.90

75

SD51

650

51/8

8.50

110

hollow grouting anchor bolt supplier



Copyright Notice @ 2008-2012 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.