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A325 structural hex bolts ranging from 1/2" to 1-1/4" diameters. Manufactured to the ASTM F3125 grade A325 standard and plain finish. Contact us for special sizes or customs outside of this rang

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A tension control bolt, also known as a TC bolt, is a heavy duty bolt used in steel frame construction. The head is usually domed and is not designed to be driven. The end of the shank has a spl

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Structural Bolt Manufacturer Providing You High Strength and Durability

Purun Steel is among the leading structural bolt manufacturers globally. We are a recognized name in the steel structure engineering and construction industry, aiming to revolutionize lifetimes and effectiveness. In this catalog, you will find an extensive range of structural bolts that will ensure the safety and performance of your steel structures. We provide long-lasting, dependable connections in factories, civil structures, and tall structures.

Resistance to Corrosion for Exceptional Longevity

Structural bolts endure harsh conditions, so corrosion resistance is an essential characteristic. Our bolts are made from premium materials and coated with advanced treatments to resist moisture, chemicals, and extreme weather conditions. This guarantees durable performance, lowering maintenance expenses and maintaining the integrity of your structures as time goes on.

Tailorable Choices for Every Project Requirement

We recognize that each project has distinct needs, and being a specialized  structural bolt manufacturer, we provide a flexible selection of customizable structural bolts:

•       Tension Control Bolts: This is especially suitable when it is necessary to maintain the same tension in connections for variation control during assembly.

•       Hybrid Bolting Systems: The synergism of different bolt connection techniques to enhance one’s mechanical properties over the other when they are used separately.

•       Self-Tightening Bolts: Designed to handle stress when loads vary, ensuring the stability of the hardware during the period when stress levels are high.

Installation Ease for Faster Project Completion

In today’s fast-paced world, completing construction projects within tight deadlines can enhance the reputation of any construction firm. Our bolts are engineered to meet all the necessary performance tests and to match perfectly to ensure that the construction project is done effectively without being interfered with by bolts’ problems.  No matter what materials are used, our structural bolts reduce labor costs and save much time. 

A Diverse Range to Fit Any Structure

We know that every architectural construction is different, and our bolts can fit a variety of construction types, like:

Commercial buildings: For giving solid stability to malls and office buildings

Industrial Facilities: Ensuring secure connection of heavy machinery 

Bridges and Infrastructure: These are for solid support to bear the load of vehicles. 

Your Trusted Structural Bolt Supplier for Smooth Project Execution

We have years of experience providing global building firms with construction materials, and our structural bolts are offered at bulk discounts to large-scale buyers. With Purun Steel as your structural bolt supplier, you can easily get bolts of the highest quality at an affordable cost, ensuring that your construction standards match the best of standards. 

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