Hebei Sanbiao Fastener Manufacturing Co., Ltd. is a leading fastener manufacturing enterprise integrating production and sales. Our company has established close cooperation with many countries after years of specialized development in the hardware industry.
The main products include: steel structure bolts, torsion shear bolts, large hexagonal bolts, 8.8 grade, 10.9 grade, 12.9 grade steel structure bolts, high-strength bolts, tower crane bolts, extension bolts, high-strength stud bolts, high-strength nuts, welding nails, steel structure tie bars, hot-dip galvanized bolts, steel structure anchor bolts, U-bolts, embedded plates, and various special-shaped parts.
We utilize premium materials such as Q235B, 35# steel, 45# steel, 40Cr, 35CrmoA, and Q345B. All products are strictly inspected to ensure the highest product quality for global infrastructure projects.
L-shaped bolts, often referred to as 90-degree anchor bolts, are the backbone of foundation engineering. Globally, the demand for these specialized fasteners has surged due to the rapid expansion of renewable energy sectors (like wind turbine bases) and the massive scaling of industrial logistics hubs.
In the current industrial climate, companies are moving away from standard fasteners toward high-performance, corrosion-resistant L-bolts. The "Cheap" aspect does not imply low quality but rather represents the optimization of supply chain efficiency. As a primary factory, we eliminate middleman costs, providing high-quality L-shaped bolts at factory-direct prices to European, American, and Southeast Asian markets.
Our heavy-duty anchor L-bolts are designed for maximum pull-out resistance. Using high-grade carbon steel and advanced heat treatment, these bolts ensure that steel columns remain fixed even under extreme seismic or wind loads. They are the preferred choice for steel structure warehouses and heavy machinery mounting.
The fastener industry is witnessing a shift towards "Green Fastening." Our factory adopts eco-friendly galvanizing processes (Yellow and White Zinc) that meet RoHS standards. Furthermore, the integration of AI in our manufacturing line allows for real-time quality monitoring, reducing the defect rate to nearly zero, which is essential for global procurement agents who require 100% reliability.
International buyers from the construction, oil & gas, and infrastructure sectors are increasingly looking for reliable L-shaped bolt factories in China that can provide customization. Whether it's a specific thread pitch, a unique bend radius, or non-standard lengths, the ability to customize is a key competitive advantage.
Grade 8.8/10.9/12.9 High Strength Series
Located in the heart of China's fastener hub, we source raw materials locally to keep our "Cheap L Shaped Bolts" competitive without sacrificing Grade 8.8+ standards.
Our engineers use AI-driven modeling to simulate stress on L-bolts, ensuring the bend angle is perfect and the threading is flawless.
Proximity to major ports allows us to offer rapid shipping cycles for bulk orders, ensuring your project timelines are never delayed.
We provide full MTC (Material Test Certificates) with every batch. From Q235B for standard applications to 40Cr for high-vibration environments, we match the material to your specific industrial requirement.
San Biao
