Overview
Tension Control Bolts are specialized fasteners engineered to provide precise and reliable tensioning in structural applications. Designed with an integrated spline on the bolt’s end, these bolts enable controlled tightening by shearing the spline at a predetermined torque, ensuring consistent clamping force. Manufactured from high-strength alloy steel, Tension Control Bolts undergo rigorous heat treatment processes to achieve optimal mechanical properties, including superior tensile strength and resistance to fatigue. Their design facilitates rapid installation and reduces the risk of over-tightening, making them ideal for use in steel construction, heavy machinery assembly, and infrastructure projects where structural integrity is paramount. The unique tensioning mechanism of Tension Control Bolts enhances joint performance by maintaining uniform tension, which is critical in dynamic load environments and vibration-prone settings.
The performance of Tension Control Bolts is characterized by their ability to deliver accurate preload, contributing to the durability and safety of assembled components. These bolts are typically coated with corrosion-resistant finishes such as zinc or specialized plating to extend service life in harsh environments. Their application spans across bridges, buildings, and industrial equipment, where reliable fastening under variable stresses is essential. The advantages of Tension Control Bolts include reduced installation time, improved quality control, and enhanced joint reliability compared to traditional bolting methods. By ensuring consistent tension and minimizing installation errors, Tension Control Bolts play a critical role in maintaining structural stability and operational efficiency in demanding industrial contexts.
| Product Type | Tension Control Bolts |
| Head Style | Hexagonal Head with Shear-Off Spline |
| Manufacturing Process | Cold Forged and Thread Rolled |
| Thread Type | Coarse Thread |
| Common Materials | High Strength Alloy Steel |
| Available Sizes | 1/2″ to 1-1/2″ Diameter, Various Lengths |
| Strength Features | High Tensile Strength, Controlled Preload via Shear-Off Spline |
| Typical Applications | Structural Steel Connections, Heavy Construction, Steel Fabrication |
| Surface Finishes | Zinc Plated, Hot-Dip Galvanized, Mechanical Galvanized |
| Standards | AISC, ASTM F1852, RCSC Specifications |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Enables accurate and consistent bolt tension for secure structural connections, reducing installation errors and improving joint integrity.
Manufactured from carbon and alloy steels to meet ASTM A325 and A490 requirements, providing excellent tensile strength and durability.
Available with coatings such as hot-dip galvanizing and mechanical galvanizing for enhanced corrosion protection in harsh environments.
Spline drive design allows for quick and efficient installation using specialized tools, minimizing labor time and costs.
Engineered to deliver uniform tension across all bolts, ensuring structural stability and safety under dynamic loads.
Available in multiple diameters and lengths to suit various structural requirements and design specifications.
| Product Type | Tension Control Bolts |
| Thread Type | Coarse Thread |
| 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, Mechanical Galvanized |
| Diameter (mm) | Length (mm) |
|---|---|
| M16 | 50–150 |
| M20 | 60–200 |
| M24 | 80–250 |
| M30 | 100–300 |
| M36 | 150–300 |
