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Email:mya@yihuidrilling.com

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Product Introduction

Self Drilling Anchor Hollow Bar R Thread

Self drilling anchor bolts system

Self drilling anchor system is comprised of a hollow threaded anchor bar with a sacrificial drill bit that performs drilling, anchoring and grouting in a single operation.

 

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

2.9

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

 

We Yanggu Yihui Drilling Tools Co.,Ltd. was eatablished in 2011.

Our main products including T/R-thread Self drilling hollow bar(anchor bolts), self drilling anchor bit, couplers,  nuts, plates and other accessories. Type R25, R32, R38, R51, T30, T40, T52, T73, T76 T103 etc are available for your choice.

We are professional manufacturer and produce these items by ourselves, we have totally advantage in the whole market, please don’t hesitate to contact us.