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Yanggu Yihui Drilling Tools Co.,Ltd.

ADDRESS:No.216 Zhengyang Road, Qingdao, Shandong,China.

MOBILE:+8613006533721

Whatsapp:+8613006533721

E-MAIL:mya@yihuidrilling.com

Hollow Threaded Bar

Hollow Threaded Bar

Hollow threaded bar Hollow bar anchors are a threaded drill rod with sacrificial bits that are advanced to the desired depth, the hollow bar anchors are grouted through the center of the drill string and out the end of the sacrificial bit, this process creates a cement column that is reinforced......

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Hollow threaded bar

Hollow bar anchors are a threaded drill rod with sacrificial bits that are advanced to the desired depth, the hollow bar anchors are grouted through the center of the drill string and out the end of the sacrificial bit, this process creates a cement column that is reinforced in the center with the steel drill string

Hollow bar anchors can be used as tie back , tie downs, rock anchors , soil nails and micropiles, their versatility and compact equipment meet the needs of many challenging applications

Our type including : R25, R32, R38, R51, R76, T30, T40, T52, T73, T76, T103

SELF DRILLING HOLLOW BAR

Item.

Inner diameter(mm)

Ultimate Load Strength(KN)

Yield Strength(KN)

Weight(kg/m)

R25N

14

200

150

2.3

R32N

21

280

230

3.1

18.5

280

230

3.4

R32S

16

360

280

3.6

R32SS

15

405

350

4.1

R38N

21

500

400

4.8

19

500

400

5.5

R51L

36

550

450

7

R51N

33

550

630

8.4

T30

11

320

260

3.41

14

275

220

2.87

16

245

190

2.7

T40

16

660

525

7

20

540

425

5.6

T52

26

925

730

9.87

T73

53

1160

970

14.1

56

1035

830

10.75

T76N

52

1600

1200

15

T76S

45

1900

1500

19.7

T103

51

3660

2670

44.6

T130

60

7940

5250

75

delivery(001)

10-20 days after confirming order, detail delivery date should be decided according to production season and order quantity.

1(001)

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