- Anchors[6]
- Other Fasteners[4]
- Metal Building Materials[6]
- Bolts[1]
- Farm Machinery Parts[6]
- Other Environmental Products[5]
- Valves[6]
- Antennas for Communications[6]
- Packaging Boxes[2]
- Bending Machinery[6]
- Pre-Press Equipment[2]
- Rubber Product Making Machinery[4]
- Milling Machine[4]
- Sewing Machines[6]
- Other Measuring & Gauging Tools[1]
- Pumps[6]
- Weighing Scales[6]
- Other Electronic Measuring Instruments[5]
- Other Construction Material Making Machinery[6]
- Contact Person : Mr. Li Tao
- Company Name : Hebei Toya International Trade Co., Ltd.
- Tel : 86-317-8223331
- Address : Hebei,Botou,No.104 National Highway
- Country/Region : China
- Zip : 062150
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Mining Self-drilling Hollow Rock Bolt
Application:
1. Common groutable anchor bar consists of hollow anchor bolt, anchor plate and anchor nut.It can be used in the supporting of all kinds of rock and soil, and suitable for the supporting of medium or long anchoring bolt, or the roof supporting of underground works.
2. Steel anchor bar with expansion case consists of steel anchoring head with expansion case, hollow slip casting bolt, slip stop plug, anchor plate and nut. This kind of bolt is used for rock supporting work that requires initial prestress.
Widely used in tunnel presupport, slope and roadbed reinforcement
Steel rock bolts Different size available Using by high strength material Different surface treatments Accessories available
Product Features:
1.With a bit at the anchor head, it is easy to cut through various rocks.
2.With the continuous international standard wave-shape thread, this anchor can be used to drill holes with help of bit.
3.It is used as grouting channel and unnecessary to be pulled out.
4.Grouting pressure can be kept at a high level under the help of grouting stopper, so the cracks are fully filled and the fractured rock is improved.
5.With the high-strength coupling elongated by mechanical cutting technology, this self-drilling anchor can be used at the place with narrow space, achieving the aim of rock reinforcement with extra-long anchor.
6.Its unnecessary to take the measure of sleeve protecting and pregrouting to drill the holes in condition of various surrounding rocks since this anchor embodies drilling, grouting and anchoring as a whole, and significant anchoring and grouting are achieved.
Mining Self-drilling Hollow Rock Bolt