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Self-Drilling Hollow Anchor Bolt

Self-Drilling Hollow Anchor Bolt

Payment Terms : T/T
Place of Origin : Luoyang,
Trade Terms : FOB
Brand Name : GY
Main Markets : Global
Category : Anchors
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Self-drilling anchor bolt consists of anchor rod, steel drill bit with alloy head, anchor coupling (optional), arch plate, grouting stopper and hex nut. It has been widely used in tunneling, mining, slope stabilization, tunnel diseases treatment and roof supporting of underground works. It integrates functions drilling, grouting and anchoring at one time and is suitable for difficult grounds (clay, sand, friable^etc). Hollow anchor rod is made of seamless tube with high strength.
Brief description:
1. Self-drilling anchor bolt
2. It embodies drilling, grouting and anchoring as a whole
3. Diameter: 25-103mm
4. High strength and convenient
5. Used in various surrounding rocks
1 With a bit at the anchor head, it is easy to cut through various rocks.
2 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.
3 It's 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 achieve&
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Breaking  load2002402805308381100138016001980
Tensile  yield  point150190230440693909114012801636
Drill  diameter 425151769090102115140
Delivery  length1.0/1.5/2.0/2.5/3.0/3.5/4.0/4.5/5.0/6.0

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