Full Threaded Self Drilling Anchor System Hollow Anchor Bar

We can supply various standards.

Full Threaded Self Drilling Anchor System Hollow Anchor Bar. Full threaded steel self drilling rock bolts, also known as Hollow anchor bars ( Anchor rods).
The 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 anchor system is mainly used in slope stabilization, tunneling pre-support, foundations with micro piles etc projects.

If you need to purchase Anchor rods products,contact us now.

Description

Video Description

DESCRIPTION

Full Threaded Self Drilling Anchor System Hollow Anchor Bar. Full threaded steel self drilling rock bolts, also known as Hollow anchor bars ( Anchor rods).
The 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 anchor system is mainly used in slope stabilization, tunneling pre-support, foundations with micro piles etc projects.

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PRODUCT DISPLAY

PRODUCT PARAMETERS
Type
Outer Dia(mm)
Inner Dia(mm)
thickness(mm)
Ultimate(KN) load
Yield Load(KN)
Weight(Kg/m)
R25N
25
14
5.5
200
150
2.3
R32L
32
21.5
5.25
210
1600
2.8
R32N
32
16
8
360
280
3.4
R32S
32
16
8
360
280
4.1
R38
38
17/19/22
10.5/9.5/8
450/400/350
550/500/420
6.3/5.9/5.2
R51
51
29/33/35
11/9/8
800/660/550
640/540/450
9/7.7/7
T76N
76
51
12.5
1600
1200
15
T76S
76
45
15.5
1900
1500
19.7
T103N
103
78
12.5
2282
1800
27.3
T103S
103
51
26
3460
2750
42
T30/11
30
11
9.5
320
260
3.1
T30/14
30
14
8
260
220
2.8
T30/16
30
15
7.5
220
180
2.7
T40/16
40
16
12
660
525
7
T40/20
40
22
9
539
430
5.6
T52/26
52
26
13
929
730
10
T73/53
73
53
10
1630
970
12.3
T73/56
73
56
8.5
1414
785
11
T73/45
72
45
14
1630
1180
17.8
T130/60
130
60
35
7940
5250
75

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Features of self-drilling anchor rod:
1) There is a bit with strong penetration force in front of the anchor rod, which can easily penetrate all kinds of rocks under the action of general rock drilling machinery.
2) The anchor rod has continuous international standard wavy thread, which can be used as drill pipe and drill bit to complete drilling and anchor hole.
3) The anchor rod body used as drill pipe does not need to be pulled out, and the hollow can be used as a grouting channel for grouting from inside to outside.
4) High-efficiency grout stop plug enables the grouting to maintain a strong grouting pressure, fully fill the gap, fix the broken rock mass, and high-strength backing plate and nut can evenly transfer the stress of the deep surrounding rock to the surrounding rock, so as to achieve the purpose of mutual support between the surrounding rock and the bolt.
5) The high-strength coupling sleeve processed by mechanical power cutting technology makes the self-drilling anchor rod have the characteristics of lengthening while drilling, making it suitable for a narrow construction space, and realizing the design idea of strengthening surrounding rock with extra-long anchor rod.
6) Due to the three-in-one function of the anchor rod, it can form the anchor hole and ensure the anchoring and grouting effect without special techniques such as casing wall protection and pre-grouting when it is constructed under various surrounding rock conditions.

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FAQ

Q:Can I get samples before order ?

A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.

Q:Can I go to your factory to visit?

A:Of course, we welcome customers from all over the world to visit our factory.

Q:What product information do I need to provide?

A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

Q:Does the product have quality inspection before loading?

A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept third party inspection.

Q:How do we trust your company?

A:We specialise in steel business for years, headquarter locates in Liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, we have CE and ISO9001 certificate, quality can be guaranteed.