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Full Threaded Steel Self Drilling Hollow Anchor Rods For Mining 200KN-8000KN Capacity

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Full Threaded Steel Self Drilling Hollow Anchor Rods For Mining 200KN-8000KN Capacity

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Brand Name : MIROC Self Drilling Anchor Bolt

Model Number : Hollow Grounted Anchor

Certification : GB / API

Place of Origin : ShanDong China(Mainland)

MOQ : 100

Price : Negotiable

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

Supply Ability : 9000000 KG Per month

Delivery Time : 10 Days Production

Packaging Details : Carton / Wooden Box or Based on Customers

Name : Self Drilling Anchor Bolt

Capacity : 200KN-8000KN

Type : Anchor Bolt, Self Drilling Anchor

Diameter : 25mm-130mm

Color : Based on customers

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Full Threaded Steel Self-Drilling R23/R32/R38/R51/T76

Hollow Anchor Rods for Mining
 

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:

• Fits standard Boomer, ROC and Mustang rigs.
• 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


T76 

Full Threaded Steel Self Drilling Hollow Anchor Rods For Mining 200KN-8000KN Capacity

 

 

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

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,

 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.

 

Anchor Plate

 

R25N

R32N

R32S

R38N

R51L

R51N

T76N

T76S

Dimention(mm)

150*150

200*200

200*200

200*200

200*200

250*250

250*250

250*250

Thickness(mm)

8

10

12

12

20

40

40

40

Hole diameter(mm)

30

35

35

41

60

60

80

80

Weight(KG/PC)

1.4

3

3.7

3.6

8.8

18.5

18

18

Cold deformed with geometry

 

Anchor Coupling

 

R25N

R32N

R32S

R38N

R51L

R51N

T76N

T76S

Outside diameter(mm)

35

42

42

52

63

63

95

95

Length(mm)

120

145

160or190

180

180

200

200

200

Weight

0.45

0.7

0.75

1.4

1.7

1.9

6.4

6.4

 

Machined steel coupling middle stop

 

Drill Bit

 

R25N

R32N

R32S

R38N

R51L

R51N

T76N

T76S

diameter(mm)

41,51

51,76,90

90,100,110,115,130

130,150,160,180,200

Hardened cross bit

(EX)

Hardened cross bit for loose to medium dense condition with small boulders.

Tungsten cross bit

(EXX)

TC cross bit for soft to medium rock for mations

Hardened button bit

(ES)

Hardened buuton bit for unconsolidated rock with boulders.

Tungsten carbon button bit

(ESS)

Button bit with TC inserts for medium rock for formations.

Hardened arch bit

(EC)

Hardened drill bit with optimized geometry for unconsoliddated soil

with small boulders.

Tungsten carbon arch bit

(ECC)

TC drill bit with optimized geometry for soft to medium rock formations.

Hardened drop center bit

(EY)

Hardened cross bit for loose to medium dense ground conditions

TC drop center bit

(EY)

TC drill bit for soft to medium rock formations.

Casting clay bit

(EW)

Casting clay bit with optimized geometry for very soft to soft caly.

Machined steel bit or Casring steel bit

 

Anchor Nut

 

R25N

R32N

R32S

R38N

R51L

R51N

T76N

T76S

Key size(mm)

41

46

46

50

75

75

100

100

Length(mm)

135

45

45

55

70

70

80

80

Weight(kg/pc)

0.25

0.35

0.35

0.5

1.55

1.55

3.6

3.6

 

Machined steel nut or casting steel nut

 

 

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

 

Technology Process
Full Threaded Steel Self Drilling Hollow Anchor Rods For Mining 200KN-8000KN Capacity
1. Connect the alloy drill and anchor rod one end, on the other end, connect the drill sleeve and shank adapter ,then connect the drilling rig or hand-held drill. Then start drilling, fill the cooling water while drilling.( If you want to lengthen the anchor rod, can connect the coupling, and then drilling)

2. Take down the drill, put the stop-grouting plug into the rod, and insert it to the hole, then ready to grout. Special circumstances like surrounding rock grouting tension is over or surrounding rock is too broken, can use anchor agent to seal the hole.

3. Connect quick grouting coupling and anchor rod end, connect other end of grouting machine.

4. Start grouting, when grouting full and reach design value then power off . Grouting pressure according to the design parameters and grouting machine performance determine ,Cement/sand reference values is 1:0 ~ 1:1, water/cement reference value is 0.45:1 ~ 0.5:1.

5. Install anchor plate and nuts, and tighten nuts.

 
Our Services

KSQ Technologies (Beijing) Co. Ltd. is a company that shall cater to the needs of the construction and mining industries, with consideration on providing solutions to the following unique problems:

  • Hazardous environment

  • Acts, regulations, and other government guidelines that has to be followed

  • Significant differences in the way people work, mostly due to physical constraints

  • Avoiding downtime on major equipment which can cost tens of thousands of dollars per hour. The best solution with the most reasonable cost is a significant driver.

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.
Full Threaded Steel Self Drilling Hollow Anchor Rods For Mining 200KN-8000KN Capacity

 

Tag: Self Drilling Anchor Bolt, ACCESSORIES FOR SELF-DRILLING ANCHOR


Whatsapp: +86 13522020495

Skype: Nancy Liu0813
 


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