GB 40cr R32/20 Hollow Bar Self Drilling Anchor Bolt For Slope Stabilisation

Brand Name:MIROC Self Drilling Anchor Bolt
Certification:GB
Model Number:Hollow Anchor bar
Minimum Order Quantity:10 Pieces
Delivery Time:10 Days Production
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Location: Beijing Beijing China
Address: Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
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Product Details

40CR R32/20 Hollow Bar Self Drilling Anchors Bolt for Slope stabilisation


Anchor bolt


Anchor bolt means a rod that transfers the structures or geotechnical load to a stable rock formations,

it consistsof rod, drill bit,coupling, plate, grouting stopper and nut. It has been widely used in tunnling,

mining,slope stabilization, tunneldiseasestreatment and roof supporting of undergroundworks. It is for

loose ground(clay, sand friable etc.) Hollow anchor rod is made of seamless tube with high strength.


Features of Hollow Grouting Anchor Bolt:


Hollow design, implement the grouting tube function, avoid the mortar loss when the traditional grouting

tube pulled out.Grouting full, and can achieve the pressure grouting to improve project quality.

Center is good, mortor can wrap the bolt body together, so that it can avoid corrosion to achibe along

term supporting purposes.

Easy installation, without onsite processing of threads. It can be easily installed an plate, nut.


Selt-Drilling Anchor Bolt Description


It may bodies drilling, grouting and anchoring as a whole.

It has a wide specifications. Diameter:25-130mm.

Qucik and easy construction, high efficiency.

Used invious surrounding rocks.


Anchor Bolt



R25N

R32N

R32S

R38N

R51L

R51N

T76N

T76S

Outside

diameter

(mm)

25

32

32

38

51

51

76

76

Internal

diameter

(mm)

14

20

16

19

36

33

52

45

Ultimate

load

capacity

(KN)

200

280

360

500

550

800

1600

1900

Yield load

capacity

(KN)

150

230

280

400

450

630

1200

1500

Tensile

strength,

Rp0.2

(N/mm2)

800

800

800

800

800

800

800

800

Yield

strength,

Rp0.2

(N/mm2)

650

650

650

650

650

650

650

650

Weight

(Kg/m)

2.3

3.2

3.6

5.5

6.5

8.0

16.0

19.7

Thread

type

(left-hand)

ISO10208

ISO1720

MAIT76 Standard

Steel grade

En10083-1

En10083-1(Alloy structure steel)

Compared to carbon steel, alloy structure steel has high anti-corrosion capacity and high mechanical.


T-Thread Anchor Bolt Technial Data


Bar Type

Outside

Diameter

(mm)

Inside Diameter

(mm)

Cross section

(mm2)

Ultimate Load

KN

Yield Point

KN

Weight

(kg/m)

Thread Left/

Right Hand

30/11

30

11

446

320

260

3.3

Lift or right

30/14

30

14

395

260

220

2.9

Lift or right

30/16

30

16

382

220

180

2.7

Lift or right

40/16

40

16

879

660

525

7.0

Lift or right

40/20

40

20

726

539

430

5.6

Lift or right

52/26

52

26

1337

929

730

10.0

Lift or right

73/53

73

53

1160

1630

970

12.3

Lift or right

73/56

73

56

1094

1414

785

11.1

Lift or right

73/45

73

45

2265

1630

1180

17.8

Lift or right



China GB 40cr R32/20 Hollow Bar Self Drilling Anchor Bolt For Slope Stabilisation supplier

GB 40cr R32/20 Hollow Bar Self Drilling Anchor Bolt For Slope Stabilisation

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