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Tunnel Construction Equipment T76S / R38N Self Drilling Anchor Bolt for Construction

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Tunnel Construction Equipment T76S / R38N Self Drilling Anchor Bolt for Construction

Brand Name : MIROC

Model Number : Self Drilling Rock Anchor Bolt

Certification : ISO10208

Place of Origin : ShanDong China(Mainland)

MOQ : 100

Price : negotiation

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 9000000 KG Per month

Delivery Time : 1-5 days

Packaging Details : Carton / Wooden Box or Based on Customers

Material : Alloy structure steel

Capacity : >200KN

Thread type : left-hand

Diameter : 38mm

Color : Based on customers

Length : 600cm

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Tunnel Construction Equipment T76S / R38N Self Drilling Anchor Bolt for Construction

Anchor bolt

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

formations, it consists of rod, drill bit, coupling, plate, grouting stopper and nut. It has been

widely used in tunnling, mining, slope stabilization, tunneldiseases treatment 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 grounting anchor bolt

• Particularly suitable for difficult ground conditions.

• A high rate of installation since drilling, placing and grouting can be performed in one single operation.

• Self drilling system eliminates the requirement for a cased borehole.

• Installation with simultaneous drilling and grouting possible.

• Easy installation in all directions, also upwards.

• Suitable for working in limited space, height and in areas of difficult access.

• Simple post grouting system. • Hot-dipped galvanizing for corrosion protection

Applications in Tunneling & Ground Engineering

• Radial bolting

• Slope stabilization

• Forepoling

• Micro injection pile

• Face stabilization

• Temporary support anchor

• Portal preparation

• Soil nailing

Self-Drilling Anchor Bolt Description

R25N

R32N

R32S

R38N

R51L

R51N

T76N

T76S

Outside Diameter (mm)

25

32

32

38

51

51

76

76

Internal Diameter (mm)

14

19

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, Rm (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

MAI T76 Standard

Steel Grade

EN10083-1 (Alloy Structure Steel)

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

Anchor Bar T40/20 T40/16
Outside Diameter(mm) 40 40
Internal Diameter (mm ) 20 16
Cross sectional area (mm²) 713 910
Ultimate load (kN) 540 660
Yield load (kN) 430 525
Weight (kg/m) 5.6 7.15
Thread type T International Standard
Thread (Left /right hand) Left or Right
Length (m) (1) x2, x3, x4, x5, x6

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

Tunnel Construction Equipment T76S / R38N Self Drilling Anchor Bolt for ConstructionTunnel Construction Equipment T76S / R38N Self Drilling Anchor Bolt for Construction

Company Information

KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capital expansion, as well as to firms who require support with consumable products, maintenance, and repair operations.

Tunnel Construction Equipment T76S / R38N Self Drilling Anchor Bolt for Construction


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