25mm-130mm Diameter Self Drilling Anchor Bolt with 800MPa-1200MPa Tensile Strength and R32N-18.5 Model for Mining
Price:
Negotiable
MOQ:
1000 pcs
Delivery Time:
10-15 days
Brand:
MTH
Product Description
25mm-130mm Diameter Self Drilling Anchor Bolt Hollow Anchor Bar Anchor Rods for Mining
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.
Key Features
- Allows air and water to freely pass through the bar during drilling to remove debris
- Enables grout injection immediately after drilling completion
- Grout fills the hollow bar and completely covers the entire bolt
- Couplings can join hollow bars to extend bolt length
- Nuts and plates provide required tension
Applications
The most common system for rock mass stabilization, especially in:
- Tunneling
- Underground mining
- Ground engineering
- Supporting engineering in loose and broken rock strata
- Soil nailing, lock bolting, and micro-piling
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
Location
No. 466 Zhongshan Road, Shijiazhuang, Hebei, China
Contact Person
Nikolay