Industrial Fastener Series
Fasteners are critical mechanical components used for structural connection, equipment assembly, and industrial installation across construction, machinery manufacturing, steel structures, infrastructure engineering, and energy projects.
SHAANXI GOLD-STONE supplies a comprehensive range of industrial fasteners designed for high-strength connection performance, long-term durability, and reliable structural stability under demanding operating conditions.
Our fastener products are widely used in steel structure engineering, heavy machinery, bridges, industrial plants, energy equipment, transportation systems, and large-scale construction projects worldwide.
Fastener Product Range
SHAANXI GOLD-STONE provides a complete range of industrial bolts and fastening products including:
- Hexagon Expansion Bolt
- Grade 12.9 External Hexagon Bolt
- Internal Hexagon Bolt
- Double-Head Bolt
- Grade 8.8 Bolt
- Stainless Steel Bolt
- Steel Structure Large Hexagon Bolt
- Twist-Shear Bolt
- Screw Rod (Threaded Rod)
These fastening systems are manufactured to meet industrial strength, safety, and dimensional accuracy requirements for heavy-duty applications.
High-Strength Fasteners for Industrial Applications
Industrial fasteners must withstand high loads, vibration, pressure, and environmental exposure. Poor-quality bolts may lead to:
- Structural instability
- Mechanical loosening
- Equipment failure
- Corrosion damage
- Reduced safety performance
- Increased maintenance costs
SHAANXI GOLD-STONE fasteners are manufactured using high-grade raw materials and precision processing technology to ensure reliable fastening performance, excellent tensile strength, and long service life.
Technical Specifications
| Item | Specification |
| Product Category | Industrial Fasteners |
| Bolt Grades | 8.8 / 10.9 / 12.9 |
| Materials | Carbon Steel / Alloy Steel / Stainless Steel |
| Surface Treatment | Black Oxide / Zinc Plated / Hot Dip Galvanized / Dacromet |
| Thread Standards | Metric / UNC / UNF |
| Size Range | M6 – M64 |
| Application | Steel Structures, Machinery, Construction, Industrial Equipment |
Fastener Material Options
Different industrial environments require different fastener material properties. SHAANXI GOLD-STONE supplies multiple material options according to mechanical strength and corrosion resistance requirements.
Carbon Steel Fasteners
Carbon steel bolts provide high tensile strength and are widely used in industrial construction and machinery assembly.
Available Strength Grades
- Grade 8.8
- Grade 10.9
- Grade 12.9
Features
- High load-bearing capability
- Excellent structural strength
- Cost-effective industrial fastening solution
- Suitable for heavy mechanical applications
Stainless Steel Fasteners
Stainless steel bolts provide excellent corrosion resistance and long-term durability in aggressive environments.
Available Stainless Steel Grades
- SS304
- SS304L
- SS316
- SS316L
Features
- Strong corrosion resistance
- Suitable for humid and marine environments
- Excellent chemical resistance
- Attractive surface finish
- Long service life
Stainless steel fasteners are widely used in chemical plants, marine engineering, food processing equipment, and outdoor installations.
Surface Treatment Options
To improve corrosion resistance and environmental durability, SHAANXI GOLD-STONE offers multiple surface coating solutions.
Black Oxide Coating
Provides basic corrosion protection and industrial appearance.
Zinc Plating
Improves corrosion resistance for general industrial applications.
Hot Dip Galvanized
Suitable for outdoor structures and harsh environments requiring long-term rust protection.
Dacromet Coating
Provides advanced corrosion resistance with excellent environmental durability.
Main Fastener Types
Hexagon Expansion Bolt
Used for concrete anchoring and structural fixing applications in construction and industrial installation.
Grade 12.9 External Hexagon Bolt
High-strength bolt suitable for heavy machinery, engineering equipment, and high-load mechanical systems.
Internal Hexagon Bolt
Compact fastening solution commonly used in machinery manufacturing and equipment assembly.
Double-Head Bolt
Widely used in flange connections, industrial piping systems, and heavy mechanical equipment.
Grade 8.8 Bolt
Standard industrial structural bolt with reliable mechanical performance.
Stainless Steel Bolt
Corrosion-resistant fastening solution for chemical, marine, and outdoor environments.
Steel Structure Large Hexagon Bolt
Designed for heavy steel structure connections in bridges, buildings, and industrial plants.
Twist-Shear Bolt
High-strength structural bolt widely used in steel construction projects with controlled torque installation.
Screw Rod / Threaded Rod
Used in construction support systems, pipeline installation, and equipment assembly applications.
Industrial Applications
SHAANXI GOLD-STONE fasteners are widely used in:
Steel Structure Construction
Structural bolt systems for buildings, bridges, warehouses, and industrial plants.
Machinery Manufacturing
Fastening components for heavy equipment, industrial machinery, and automated systems.
Infrastructure Engineering
Used in highways, railways, bridges, tunnels, and public engineering projects.
Energy Industry
Fasteners for wind power equipment, power plants, and energy infrastructure.
Oil & Gas Industry
High-strength bolts for pipelines, flange systems, and industrial equipment.
Mining & Heavy Industry
Heavy-duty fastening systems for mining machinery and industrial processing equipment.
Advantages of SHAANXI GOLD-STONE Fasteners
High Mechanical Strength
Manufactured from premium-grade steel materials for reliable structural performance.
Precision Manufacturing
Strict dimensional tolerances ensure stable and secure connections.
Corrosion Resistance
Various coating and stainless steel options available for different environments.
Wide Product Range
Complete fastening solutions for industrial, construction, and engineering applications.
OEM & Custom Manufacturing
Custom sizes, materials, coatings, and thread specifications available.
Reliable Quality Control
Strict inspection standards ensure product consistency and international quality compliance.
Frequently Asked Questions
What is the difference between Grade 8.8 and Grade 12.9 bolts?
Grade 12.9 bolts have significantly higher tensile strength and hardness than Grade 8.8 bolts, making them suitable for high-load structural and mechanical applications.
What are twist-shear bolts used for?
Twist-shear bolts are commonly used in steel structure construction because they provide controlled torque installation and consistent fastening performance.
Why choose stainless steel bolts?
Stainless steel fasteners offer excellent corrosion resistance and long-term durability in marine, chemical, humid, and outdoor environments.
Can fasteners be customized?
Yes. SHAANXI GOLD-STONE provides custom manufacturing services including:
- Custom dimensions
- Special thread standards
- Surface treatment options
- Stainless steel materials
- High-strength alloy steel bolts
- OEM production support
Why Choose SHAANXI GOLD-STONE
SHAANXI GOLD-STONE specializes in industrial fastening systems and engineering hardware solutions for global construction and industrial markets.
Our Advantages
- Professional fastener manufacturing experience
- High-strength material processing capability
- Advanced production equipment
- Stable product quality
- International export experience
- Flexible customization services
- Reliable delivery support
We provide durable and high-performance fastening solutions for demanding industrial and structural applications worldwide.