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

mining rock anchor

mining rock anchor
Product Detailed
1.Mining rock anchor 2.Widely used in mining supporting, slope and roadbed reinforcement,etc 3.Diameter:25/28/32mm

 Mining rock anchor , matched with good fittings, is made of seamless steel pipe. It has been widely used in tunnel presupport, slope and roadbed reinforcement and base bit support as anchoring.

Product Features:

1 With a bit at the anchor head, it is easy to cut through various rocks.

2 With the continuous international standard wave-shape thread, this anchor can be used to drill holes with help of bit.

3 It is used as grouting channel and unnecessary to be pulled out.

4 Grouting pressure can be kept at a high level under the help of grouting stopper, so the cracks are fully filled and the fractured rock is improved.

5 With the high-strength coupling elongated by mechanical cutting technology, this self-drilling anchor can be used at the place with narrow space, achieving the aim of rock reinforcement with extra-long anchor.

6 Its unnecessary to take the measure of sleeve protecting and pregrouting to drill the holes in condition of various surrounding rocks since this anchor embodies drilling, grouting and anchoring as a whole, and significant anchoring and grouting are achieved.

Product Specification: 

Type

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%

 Also available hot dip galvanized rods and accessories, special diameter can be customized.

Plate dimension: 120*120*4mm,120*120*6mm,150*150*6mm,150*150*8mm.

mining rock anchor



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