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25mm-130mm Diameter Self Drilling Anchor Bolt Hollow Anchor Bar Anchor Rods for Mining

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25mm-130mm Diameter Self Drilling Anchor Bolt Hollow Anchor Bar Anchor Rods for Mining

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Brand Name : MTH

Model Number : 25mm

Certification : ISO 9001

Place of Origin : CHINA

MOQ : 1000 pcs

Price : Negotiable

Payment Terms : T/T, Western Union, MoneyGram

Supply Ability : 5000 pieces per month

Delivery Time : 10-15 days

Packaging Details : wooden case

Key Word : thread hollow bar

Manufacturer : Professional self drilling anchor manufacturer

Model : R32N-18.5

Tensile Strength : 800MPa-1200MPa

Advantages : Easy to install, high efficiency, cost-effective

Machine Type : rock drill rig

Thread Type : R25, R32, R38, R51, T76

Thread Direction : Left hand

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25mm-130mm Diameter Self Drilling Anchor Bolt Hollow Anchor Bar Anchor Rods for Mining

Production:

The self-drilling hollow bar anchor system consists of a hollow threaded bar with an attached drill bit that can perform drilling, anchoring and grouting in a single operation. The hollow bar allows air and water to freely pass through the bar during drilling to remove debris and then allow grout to be injected immediately after drilling is completed. Grout fills the hollow bar and completely covers the entire bolt. Couplings can be used to join hollow bars and extend the bolt length while nuts and plates are used to provide the required tension.

Self-drilling hollow bar anchor system is the most common used system for rock mass stabilization, especially in tunneling, underground mining and ground engineering industry. It is mainly used for the supporting engineering in the loose and broken rock stratal with difficult to drilling hole. It provides the optimal solution for soil nailing, lock bolting, micro-piling.

specification:

25mm-130mm Diameter Self Drilling Anchor Bolt Hollow Anchor Bar Anchor Rods for Mining


Product Tags:

25mm-130mm self drilling anchor bolt

      

hollow anchor bar for mining

      

self drilling anchor rods with warranty

      
Wholesale 25mm-130mm Diameter Self Drilling Anchor Bolt Hollow Anchor Bar Anchor Rods for Mining from china suppliers

25mm-130mm Diameter Self Drilling Anchor Bolt Hollow Anchor Bar Anchor Rods for Mining Images

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