Swellex Rock Bolt | High-Performance Water-Inflatable Anchors for Mining & Tunneling
SKU: 694b9e22c0a2828a9537be21
High-performance Swellex rock bolts for underground mining, tunneling, and geotechnical applications. Custom lengths, diameters, and accessories available.
Details
Product Overview
Swellex rock bolts are water-inflatable anchors designed for underground mining, tunneling, and geotechnical stabilization. Also known as water-expanding rock bolts or hydro-expanding bolts, these products provide immediate rock anchorage, high load-bearing capacity, and long-term durability.
Our Swellex bolts are manufactured for precise dimensions, reliable performance, and compatibility with standard grouting and support systems.
| Key Applications Underground mining roof support Tunnel lining stabilization Slope stabilization projects Ground anchor reinforcement Underground facility construction | Product Range Standard diameter bolts (22-32 mm) Custom length bolts (1-6 m) Corrosion-resistant coated bolts Complete anchorage systems Project-specific solutions |
|---|
Key Benefits
| Immediate Load-Bearing Expands under water pressure to provide instant rock anchorage, ensuring immediate stability in critical applications. | High Strength & Durability Withstands cyclic and static loads in underground environments, providing long-term structural integrity. | Corrosion-Resistant Suitable for wet, aggressive, or corrosive rock conditions, maintaining performance in challenging environments. |
| Customizable Dimensions Tailored lengths and diameters to meet your specific tunnel, mine, or geotechnical requirements. | Easy Installation Quick assembly with standard drill holes; minimal surface preparation required for efficient installation. | Compatible Accessories Can be paired with washers, nuts, and plates for secure installation and enhanced performance. |
Technical Specifications
| Specification | Detail | Notes |
|---|---|---|
| Material | High-strength steel tube & sealing rubber | Conforms to mining standards |
| Diameter | 22 – 32 mm | Customizable per project |
| Length | 1 – 6 m | Cut-to-size available |
| Expansion Pressure | 0.5 – 2.5 MPa | Water-activated expansion |
| Corrosion Protection | Zinc / Epoxy coating | Optional for harsh environments |
| Accessories | Washers, nuts, end caps | Optional, complete anchoring system |
Frequently Asked Questions
Can Swellex rock bolts be supplied with washers and nuts together?
Yes, we provide complete anchoring systems including bolts, washers, nuts, and end caps. Our comprehensive packages ensure all components are properly matched for optimal performance.
Do you support OEM or production by drawings?
Yes, we can manufacture according to your specifications or project drawings. Our engineering team can assist with design optimization and provide technical support throughout the production process.
Do you provide third-party testing reports?
Yes, SGS, BV, or other third-party inspection reports can be provided upon request. We also offer factory acceptance testing and witness testing services.
What is the lead time for standard and custom products?
Standard products: 2-4 weeks
Custom products: 4-8 weeks
Urgent orders: Available with priority production scheduling
What quality certifications do you hold?
We are ISO 9001 certified and our products meet international standards including mining industry specifications and geotechnical engineering requirements.