Overview
Structural bolts are engineered fasteners designed to provide secure and reliable connections in heavy-duty construction and industrial applications. These bolts are typically manufactured from high-strength carbon steel or alloy steel, ensuring exceptional durability and load-bearing capacity. The design of structural bolts includes precise threading and a robust shank to withstand significant tensile and shear forces. Their manufacturing process involves heat treatment and stringent quality control measures to meet industry standards such as ASTM and AISC. Structural bolts are commonly used in steel frameworks, bridges, and large machinery assemblies where safety and structural integrity are paramount. Their ability to maintain tight joints under dynamic loads makes them indispensable in construction and engineering projects.
The performance of structural bolts is characterized by high tensile strength, resistance to corrosion when coated or galvanized, and excellent fatigue resistance. These features enable structural bolts to endure harsh environmental conditions and heavy mechanical stresses over extended periods. Applications extend beyond construction to include infrastructure projects, industrial equipment, and transportation sectors. The advantages of structural bolts include ease of installation, consistent clamping force, and compatibility with various nuts and washers designed for structural use. By ensuring secure fastening and long-term stability, structural bolts contribute significantly to the safety and longevity of critical structures and machinery.
| Product Type | Structural Bolts |
| Head Style | Hexagonal Head |
| Manufacturing Process | Hot Forged |
| Thread Type | Coarse Thread |
| Common Materials | Carbon Steel, Alloy Steel |
| Available Sizes | 1/2″ to 1-1/2″ Diameter, Various Lengths |
| Strength Features | High Tensile Strength, Heat Treated for Durability |
| Typical Applications | Structural Steel Connections, Heavy Machinery Assembly |
| Surface Finishes | Zinc Plated, Hot Dip Galvanized, Black Oxide |
| Standards | A325, A490, ASTM Specifications |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Manufactured to meet stringent ASTM A325 and A490 requirements for superior load-bearing capacity in structural joints.
Available with coatings and finishes that enhance durability against environmental corrosion and weathering.
Produced with tight tolerances to ensure consistent thread fit and reliable fastening performance.
Suitable for use in bridges, buildings, towers, and heavy equipment requiring strong structural connections.
Heat treatment processes improve mechanical properties, ensuring long service life under stress.
Designed for compatibility with standard tools and equipment, facilitating quick and secure assembly.
| Product Type | Structural Bolt |
|---|---|
| Thread Type | Coarse Thread (UNC) |
| Diameter Range | M16 to M36 |
| Length Range | 50 mm to 300 mm |
| Available Materials | Carbon Steel, Alloy Steel |
| Manufacturing Standards | ASTM A325, ASTM A490 |
| Surface Finish | Plain, Hot-Dip Galvanized, Zinc Plated |
| Diameter (mm) | Length (mm) |
|---|---|
| M16 | 50–200 |
| M20 | 60–250 |
| M24 | 70–300 |
| M30 | 80–300 |
| M36 | 100–300 |
