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

mechanical rock anchor

mechanical rock anchor
Product Detailed
1. Mechanical rock anchor 2. High strength 3. Rock reinforcement 4. Used in tunneling, minning and other underground support

      All Threadbar Bolt is used together with dome plate and nut for reliable ground support in coal mines, railways,

hydropower, tunnels and slopes.

1. material: HRB series steel  HRB33,400,500

2. all thread bar

3. high strength plate material Q235

4. nut material Grade 45# steel

Thread  bar

Grade

Diameter (mm)

Yield strength 

σs(MPa)

Tensile strengthσb(MPa)

Elongation (%)

HRB335

16-22

335

490

16

HRB400

16-22

400

470

14

HRB500

16-22

500

630

12

Plate

Material

mechanical property

yield strength

tensile strength

elongation

MPa

kg/mm²

MPa

kg/mm²

no more than

Q235A

235

24

375-460

38-47

26

Q235B

Q235C

Q235D

Plate size (mm)

150*150*10/200*200*6/200*200*12

Nut

 Material

Mechanical property

Yield strength(Mpa)

Tensile strength (Mpa)

Elongation(%)

45#

  335

600

16

mechanical rock anchor



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