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

self drilling anchor manufacture

self drilling anchor manufacture
Product Detailed
1.Self drilling anchor 2.Irreplaceable in narrow construction environment 3.Integates anchoring, drilling and grouting once

       Self drilling anchor is made of seamless steel pipe with thick wall. It consists of anchor rod, plate,nut, coupler,grouting stopper and drill bit. It is easy to cut through various rocks with a drill bit at the anchor head. 

    With the continous international standard wave-shape thread, the self -drilling anchor can be used to drill holes with the help of bit. With a hign-strength couplerm any length could be available. Thus it integates anchoring, drilling and grouting as a whole.

Application Field:

1.Tunnel presupport

2.Roof support in underground work

3.Slope and roaded reinforcement

4.Base bit support as anchoring

standard

outside diameter

internal diameter average 

ultimate load capatity

yield load

tensile strength

yield strength

thread type

mm

mm

kn

kn

N/mm2

N/mm2

R25N

25

13

200

150

720

560

ISO10208

R32N

32

18.5

280

230

720

560

..

R32S

32

15

360

280

740

560

..

R32L

32

20

220

160

740

560

..

R38N

38

19

500

400

740

560

..

R51L

51

36

550

450

740

560

..

R51N

51

33

800

630

740

560

..

T76N

76

51

1600

1200

740

560

ISO1720

T76S

76

45

1900

1600

740

560

 ..

T30/11

30

11

320

260

740

560

 ..

T40/16

40

16

660

525

740

560

 ..

self drilling anchor manufacture



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