In China, there are many great manufacturers that supply mining roof bolts, also known as rock bolts, around the world and play a critical role in the market. Here is a list of suppliers that can be the essential source of your bolt needs instead of Sandvik.
Workers transport steel bars that will later be formed into high-strength roof bolts used to support underground mines.
Sandvik and Its Role in the Global Rock Bolts and Ground Support Market
Founded: 1862
Headquarters: Sandviken, Sweden
Core Products:
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- Underground mining equipment
- Surface drilling equipment
- Rock tools and drilling consumables
- Ground support systems (including rock bolts and accessories)
- Automation and digital mining solutions
A Sandvik friction bolt designed to stabilize underground rock by generating friction between the bolt and the drilled hole.
Sandvik is an established manufacturer with more than 160 years of experience in mining and roof technology. The company has a long history of developing equipment and ground support solutions, including roof bolts used in a wide range of mining conditions. They are also one of the best construction equipment manufacturers in the world.
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- Sandvik operates under international standards such as ISO 9001 and focuses on consistent product quality and testing. Over time, the company has contributed to advancements in mining equipment, including automation and digital solutions that improve efficiency and safety.
- With operations in more than 150 countries, Sandvik has a strong global presence and provides technical support and services to mining companies worldwide.
- Its experience, consistent quality standards, and broad supply capability is one of the reasons it is a consistently picked option for many different mining operations.
The Sandvik DS311 is a mechanized bolting rig used in underground mining to install roof bolts and stabilize rock formations.
Leading Chinese Manufacturers Supplying Rock Bolts Worldwide
1. Nantong SupAnchor Geotechnical Systems Co., Ltd
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- Founded: 1994
- Headquarters: Nantong, Jiangsu, China
Core Products:
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- Self-drilling anchor systems
- Steel and fiberglass rock bolts
- Hollow anchor bars
- Anchor plates, nuts, and accessories
- Soil nailing system
GFRP hollow injection bolts combine reinforcement and grout injection in one system, improving ground stabilization in challenging underground conditions.
Why them:
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- SupAnchor has more than 30 years of experience manufacturing anchoring systems and mining roof bolts. Its products are reported to be in over 10,000 mining and infrastructure projects across 70+ countries, showing strong reliability in large-scale ground support applications.
- The company operates under ISO 9001 quality management certification, which helps ensure consistent manufacturing and strict quality control. This standard supports reliable production of rock bolts, anchor bars, and other ground support products. They also design their products according to recognized standards such as EN 10083 for steel components and ISO 1461 for galvanization.
- Subanchor has reported on some projects that have been part of, including helping make R32N SDA Bar and R25 Expansion Shell Bar for the construction of the La-Lin highway of Tibet, producing over 20,000 meters of bars.
- For mining companies, this combination of industry experience, certified quality standards, and global supply capability makes SupAnchor a reliable choice for sourcing mining roof bolts and ground support systems.
2. CQ-ROCKBOLT
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- Founded: Early 2000s
- Headquarters: Handan, Hebei, China
Core Products:
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- Split set friction bolts
- Swellex bolts
- Resin anchors
- Cable bolts
- PT thread bars
- Mining accessories
Split set friction bolts are widely used as roof bolts in underground mining to provide immediate ground support.
Why them:
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- CQ-ROCKBOLT offers a broad product inventory used in underground mining fields. Following the ISO 9001 standards, their products are widely tested, with reported high quality consistency (~99% pass rates). Some other standards they follow are ISO 14001 for environmental management and OHSAS 18001 for occupational health and safety.
- The company exports to 60+ countries, showing strong familiarity with international logistics and mining requirements. In addition, its OEM/ODM capabilities allow customization of bolt specifications, making it suitable for projects requiring tailored solutions.
- Overall, the company combines product variety, proven global use, and flexible manufacturing, making it a strong option for sourcing roof bolts for different conditions and fields.
3. Hebei Jiufu Industrial and Mining Parts Co., Ltd
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- Founded: 2020
- Headquarters: Handan, Hebei, China
Core Products:
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- Rock bolts
- Hollow grouting anchor rods
- Resin bolts and anchoring systems
- Self-drilling anchor bolts
- FRP (fiberglass) rock bolts
- Post-tensioning bars
High-strength threaded steel rock bolts provide reliable ground support by anchoring unstable rock layers in underground mines.
Why them:
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- Hebei Jiufu focuses on coal mining and construction support materials, producing a wide range of anchoring products including resin bolts and self-drilling systems. This specialization allows the company to deliver targeted solutions for underground mining applications.
- The company reports exporting approximately 12,000 tons of materials annually, with products shipped to multiple international markets such as Southeast Asia and Russia.
- In addition to standard roof bolts, Jiufu manufactures FRP bolts, hollow anchor rods, and resin systems, allowing buyers to source multiple ground support components from a single supplier. This improves procurement efficiency and system compatibility.
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Mining Roof Bolt Market Overview
Global Demand for Rock Bolts
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- Mining roof bolts are essential ground support systems used in underground mining operations
- They help stabilize mine roofs and prevent rock collapses, protecting workers and equipment
- Demand for roof bolts in mining is increasing as more mines operate at greater depths.
- Stricter safety regulations in underground mining are also increasing the use of mining roof bolt systems
Mining Industry Growth Driving Roof Bolt Demand
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- Expansion in coal, metal, and mineral mining has increased the need for reliable roof bolts
- Underground infrastructure projects such as tunnels and transportation systems also require rock bolt reinforcement
- Many mines install thousands of roof bolts each year to maintain safe working environments
- As underground mining expands, the global mining roof bolt market continues to grow steadily
Coal miners working beside an exposed coal seam where roof bolts are essential for roof stability.
Why Global Mining Companies Source Rock Bolts from Chinese Manufacturers
High Manufacturing and Capacity of Rock Bolts
Large-Scale Manufacturing of Roof Bolts
China produces a significant part of the world’s bolts and fasteners—often estimated at over 50% of global supply. This scale includes mining roof bolts, where manufacturers operate production facilities capable of large amounts of output.
Industrial Supply Chains Supporting Rock Bolt Production
Regions such as Hebei and Zhejiang have developed dense manufacturing clusters that possess:
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- Integrated supply chains
- Efficient sourcing of raw materials
- Reduced production bottlenecks
This ecosystem allows consistency and quality when producing bolts.
International Standards for Mining Bolts and Ground Support
Many Chinese manufacturers now produce to:
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- ISO standards
- DIN specifications
- ANSI requirements
This ensures compatibility with global mining and construction, not just domestic use.
Quality assurance checks on roof bolts help ensure safe and reliable ground support in mining operations.
Materials and Other Products used for Roof Bolting in Mining
Wide Range of Materials
Chinese suppliers offer roof bolts in:
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- Carbon steel
- Alloy steel
- Stainless steel
This allows buyers to match cost, strength, and corrosion resistance to specific mine conditions or to their own personal preference.
Steel is also a highly produced source in China, evaluated to have some of the largest manufacturers in the world. This allows for the cheaper manufacturing costs in producing these bolts.
Specialized Coatings and Design
With how crucial it is to have the right coating for your roof bolts, manufacturers often provide:
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- Galvanized coatings
- Zinc plating
- Corrosion-resistant treatments
These features improve durability in a wide range of environments and conditions such as very wet or chemically induced ones.
Ground Support Components Used With Rock Bolts
Since roof bolts are needed to be used with other products, suppliers often produce and provide:
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- Roof bolts and nuts
- Anchor Plates and Washers
- Resin cartridges
- Cable bolts and accessories
This makes China a compelling option for sourcing your bolting needs with their wide-scale coverage of different products.
Organized rebar and roof bolts work together to secure underground operations.
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Sandvik vs Chinese Manufacturers for Mining Roof Bolts.
Chinese-manufactured roof bolters help secure mine roofs and ensure worker safety underground.
Cost Comparison for Rock Bolt Supply
Chinese manufacturers are often more competitive for:
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- Bulk procurement
- Cost-sensitive projects
- Standardized bolt applications
This makes them suitable where cost per unit is a primary factor. They also are very capable of larger orders for mining products.
A full box of roof bolts ensures mining crews have enough fasteners to keep tunnels safe and operations running smoothly.
Customization and OEM Manufacturing for Mining Bolts
While Sandvik offers integrated mining systems and machinery, many Chinese manufacturers focus specifically on:
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- Roof bolts
- Anchoring systems
- Ground support products
This specialization can result in more targeted product offerings and there is an abundance of bolts when considering Chinese Manufacturers.
Lead Times for Mining Roof Bolts and Ground Support Products
Chinese suppliers commonly provide:
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- OEM/ODM manufacturing
- Custom sizes and specifications
- Flexible production runs
This allows buyers to avoid rigid proprietary systems.
| Type of Roof Bolt | Main Purpose | Typical Mining Conditions |
| Resin Bolt | Creates strong, full-column bonding with surrounding rock | Weak to medium-strength rock; high-stress underground environments |
| Friction Bolt (Split Set) | Stabilizes rock through frictional resistance along the hole | Highly fractured or broken ground conditions |
| Swellex Bolt | Expands under hydraulic pressure for full contact support | Loose, fractured rock with variable hole sizes |
| Cable Bolt | Offers long-range reinforcement and load distribution | Deep mining, high-stress zones, and large excavations |
| Self-Drilling Anchor Bolt | Drills and installs simultaneously for efficiency and stability | Soft, collapsing, or unstable ground where holes may cave in |
| Grouted Rebar Bolt | Provides long-term reinforcement with cement or grout bonding | Permanent support in tunnels and mines with moderate conditions |
| D-Bolt | Absorbs energy and accommodates ground movement | Seismic or burst-prone mining environments |
Table comparison of Sandvik and Chinese Manufacturers for roof bolts
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How to Choose the Right Mining Roof Bolt Supplier
1. Selecting Rock Bolt Types for Different Mining Conditions
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- Weak roof → Resin or grouted bolts
- Fractured ground → Friction or Swellex bolts
- Deep/high stress → Cable bolts
Choosing the right roof bolt for the right grounding conditions is just as important for any operation.
Swellex rock bolts stacked in bulk due to China’s high-volume production capabilities that support global demand for underground mining ground support solutions.
2. Roof Bolting in Mining: Ground Conditions and Support Methods
Check for certain standards when looking such as:
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- ISO 9001
- ASTM / DIN / ANSI standards
These are manufacturing, material, and equipment standards often assessed with roof bolts and similar products. Always check with the manufacturer that they have the right quality standards.
3. Manufacturing Capacity for Large Rock Bolt Orders
Depending on how many you need for what conditions change who you’re ordering from. Always check if they have:
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- Production capacity for large orders
- Consistency in quality control
- Availability of full support systems (plates, nuts, resin)
4. Export Experience for International Mining Projects
A company with the right export experience is also important and should have:
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- Proven track record
- Familiarity with international logistics
- Ability to meet project deadlines
Picking a supplier that provides the support of logistics will save time and money when it comes down to it
China’s large-scale port infrastructure and logistics networks help deliver rock bolts and mining ground support systems to projects around the world.
5. Customization Options for Rock Bolt Systems
The right supplier has the right options you are looking for. Some things that you should look out for are:
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- OEM/ODM services
- Custom bolt sizes and coatings
- Project-specific engineering support
It’s always important to pick manufacturers of roof bolts that have the exact specifications you need.
FAQs: Rock Bolts and Sandvik
How Strong Are Mining Roof Bolts?
High-strength bolts used in mining and structural applications are typically made from heat-treated carbon or alloy steel.
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- Tensile strength can reach ~120,000 psi (830 MPa) under standards like ASTM
- Shear strength is typically ~60% of tensile strength
- Proper installation and torque are critical to performance so the bolts can effectively support the structure
When correctly installed, these bolts provide reliable support in underground environments to keep both equipment and workers safe.
Roof bolts provide essential support, protecting miners as they work deep underground.
What is the difference between rock anchors and roof bolts?
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- Roof bolts: Stabilize surrounding rock by reinforcing fractured zones
- Rock anchors: Transfer load to deeper, more stable rock layers
Key differences:
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- Bolts are used for localized reinforcement
- However, Anchors are for high-load structural support
- Anchors are typically post-tensioned, but bolts often are not
What are the different types of mining roof bolts?
| Type of Roof Bolt | Main Purpose | Typical Mining Conditions |
| Resin Bolt | Creates strong, full-column bonding with surrounding rock | Weak to medium-strength rock; high-stress underground environments |
| Friction Bolt (Split Set) | Stabilizes rock through frictional resistance along the hole | Highly fractured or broken ground conditions |
| Swellex Bolt | Expands under hydraulic pressure for full contact support | Loose, fractured rock with variable hole sizes |
| Cable Bolt | Offers long-range reinforcement and load distribution | Deep mining, high-stress zones, and large excavations |
| Self-Drilling Anchor Bolt | Drills and installs simultaneously for efficiency and stability | Soft, collapsing, or unstable ground where holes may cave in |
| Grouted Rebar Bolt | Provides long-term reinforcement with cement or grout bonding | Permanent support in tunnels and mines with moderate conditions |
| D-Bolt | Absorbs energy and accommodates ground movement | Seismic or burst-prone mining environments |
Mining roof bolt comparison table
What countries compete with China in the Mining roof bolt industry?
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- United States: holds great focus on premium grade and advanced support systems
- Germany: products are made to be engineered precisely and with strict quality control
- Australia: Holds great focus on mining equipment production to feed their own industry
When were mine roof bolts first manufactured?
Mine roof bolts were first manufactured and used in the 1940s to improve the safety of underground mining operations. They were developed to reinforce mine roofs and prevent collapses, especially in coal mines. Over time, their design and materials have evolved to meet stricter safety standards.
What is the average amount of rock bolts used per mine?
The number of rock bolts used in a mine varies depending on the size of the tunnels and the type of rock. On average, medium-sized underground mines may install several thousand roof bolts per year. Larger operations can use tens of thousands to ensure proper roof support throughout all working areas.
How long do roof bolts last in mines?
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- Roof bolts in mines usually last 10–25 years, depending on conditions. Mines typically inspect roof support regularly and may install additional bolts if conditions change.
- Many roof bolts are designed to support the mine roof for the entire life of the mine section but their lifespan can be shorter in areas with water, corrosion, or high ground stress.
- Some bolts are used for short-term support, while others are designed to remain in place permanently after mining by using high-quality steel and corrosion protection (such as coatings or grout) that are able to extend the life of the bolts.
How much do mining roof bolts cost?
Many rock bolts can vary in cost, but typically they sit between a range of $1-8.
| Resin Bolt | $1.20 – $2.10 |
| FRP Rock Bolt | $3.30 – $3.60 |
| Friction Rock Bolt | $3.10 – $7.90 |
| Galvanized Friction Rock Bolt | $2.86 – $3.56 |
| Swellex-type Expansion Bolt | $25 – $30 |
Who owns Sandvik?
As a publicly owned company, there is no single owner that controls the company
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- The largest investor and shareholder is Industrivärden who owns approximately 15% of the shares
- They are a major investment company who look into and invest in major Swedish firms
Demo video of Sandvik DS312 Mechanized Bolter
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