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High Tensile Bolting Materials Surface Coating?

High Tensile Bolting Materials Surface Coating?

High tensile bolting materials are the backbone of structural stability in numerous industries. However, their longevity and resistance to corrosion, wear, and environmental factors can be significantly improved through strategic surface coatings. Understanding the importance and types of surface coatings applied to high tensile bolts is crucial in ensuring their extended performance and reliability.

Importance of Surface Coating

High tensile bolting materials, typically made from alloy or carbon steel, are susceptible to corrosion when exposed to moisture, chemicals, or extreme environments. Surface coatings serve as protective layers, enhancing the bolts’ resistance to corrosion and wear, extending their service life, and maintaining structural integrity.

Types of Surface Coatings

1. Zinc Coating (Galvanization): This is one of the most common coatings for high tensile bolts. Zinc coatings protect bolts by forming a barrier between the steel and the environment, preventing corrosion. Galvanized bolts are often used in outdoor applications, construction, and marine environments.

2. Hot-Dip Galvanizing: In this process, bolts are immersed in molten zinc, providing a thicker and more durable coating compared to standard zinc plating. This method offers superior protection against corrosion and is suitable for high-exposure applications.

3. Mechanical Plating: This technique involves tumbling the bolts in a mixture of metallic particles and a reducing agent, creating a coating that adheres well to the surface. Mechanical plating provides excellent corrosion resistance and is suitable for bolts requiring a thicker coating.

4. Dacromet Coating: Dacromet is a water-based coating containing zinc and aluminum flakes in an inorganic binder. It offers high corrosion resistance and is often used in automotive, construction, and aerospace industries.

5. Xylan Coating: Xylan coatings are fluoropolymer-based and offer exceptional resistance to corrosion, chemicals, and high temperatures. They are commonly used in demanding environments such as chemical plants and offshore installations.

6. Cadmium Plating: Though less common due to environmental concerns, cadmium plating provides excellent corrosion resistance and lubricity. However, its usage has decreased due to environmental regulations restricting cadmium’s use.

Benefits of Surface Coatings

1. Corrosion Resistance: Coatings act as a barrier, protecting bolts from corrosive elements, prolonging their lifespan.

2. Enhanced Performance: Coated bolts exhibit improved wear resistance, reducing the need for frequent replacements and maintenance.

3. Environment Adaptability: Different coatings suit various environments, allowing for tailored solutions in diverse industries and applications.

4. Reduced Friction: Some coatings offer low friction, aiding in bolt installation and preventing galling during tightening.


High tensile bolting materials are the linchpin of structural stability, and surface coatings play a pivotal role in ensuring their durability and performance. Understanding the diverse types of coatings available allows industries to choose the most suitable option based on environmental conditions, application requirements, and industry standards. By investing in appropriate surface coatings, engineers and manufacturers fortify critical structures and machinery, ensuring their reliability and longevity in the face of challenging operational environments.

Bhansali Metalloys Inc is one of the leading Manufacturer, Exporters, and Suppliers of High Quality High Tensile Bolting Materials all over in India. We are Manufacturer, Supplier and Dealer of various types of Fasteners such as Bolts, Nuts, Threaded Rods, Screws, Washers and many more. We are High Tensile Bolting Materials Manufacturer in India. These High Tensile Bolting Materials are available in different grades and materials. We are High Tensile Bolting Materials Manufacturer, Supplier, Dealer, and Exporter in India. We are High Tensile Bolting Materials Supplier in India. Contact Us +919152160158 or email to for High Tensile Bolt Fasteners price list.

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Each Stainless Steel High Tensile Bolting Materials is otherwise designed based on the characteristics of the applying and additionally the pressure. Consequently, different industries use different High Tensile Bolting Materials. We also produce customized High Tensile Bolting Materials Products at our factory as per our client’s requirements. For any types of High Tensile Bolt Fasteners Price List Call on +91 9152160158 or drop an Email to |

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