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Stainless Steel Expansion Bolts Manufacturers

Expansion bolt is composed of a screw and an expansion tube. The tail of the screw is conical, and the inner diameter of the cone is larger than the inner diameter of the expansion tube. When the nut is tightened, the screw moves outward, and the axial movement of the thread moves the cone part, thereby forming a large positive pressure on the outer circumference of the expansion tube. In addition, the angle of the cone is very small, so that friction self-locking is formed between the wall, the expansion tube and the cone, thereby achieving a fixing effect.

Expansion bolt primarily utilized in the field of construction and various load-bearing installations. Designed to safely fasten objects into concrete, brick, block, and other hard substrate materials, expansion bolts leverage the principle of friction and mechanical interlocking for reliable securement. The bolt is enshroud by the sleeve and is specifically configured to span within the wall thickness of the secured item and its adjacent substrate material. Upon tightening, the bolt moves upward into the sleeve, compelling the sleeve to expand and press against the inside wall of the substrate material, creating a firm, immovable fastening.Amplifying its versatility, expansion bolts come in various sizes – from miniature ones useful for small-scale indoor installations to large ones that cater to heavy-duty commercial and industrial applications. Expansion bolts are integral in applications such as attachment of structural and non-structural elements to concrete, securement of railings, fixtures in masonry work, installation of electricity, air conditioning or sanitation systems, and other similar installations. Despite their efficacy, these bolts are unsuitable for soft materials due to their expansion characteristics.

About Fengye
Taizhou Fengye Metal Products Co., Ltd.
20+ YEARS OF EXPERIENCE as a professional integrating design, production, and after-sales.
Taizhou Fengye Metal Products Co., Ltd, located in the stainless steel capital of China--Jiangsu province Taizhou xingtai industrial zone, is professional China Stainless Steel Expansion Bolts Manufacturers and OEM Stainless Steel Expansion Bolts Factory, such as R&D, production, and sales of stainless steel self-tapping screws, Mechanical screws, nuts, rivets, washers（plain washers and spring washers）, wedge anchor, stainless steel undercut anchor, aluminum extrusions, expansion screws and other standard or non-standard fasteners and curtain wall accessories. From the day of our establishment even though we rapidly conquered the stainless steel market Taizhou Fengye Metal Products Company always remembers the reason for gaining this recognition and never forgot our mission of the fastener industry， we Introduce talents, buy equipment, and improve quality. Through many years of efforts, our company has obtained several national product patents, a certificate of Jiangsu province private science and technology enterprise, certificate of utility model patent, So it is no surprise we were able to gain a high reputation as a reliable and trustworthy stainless steel fastener supplier around the globe as in we become a more influential enterprise in the field of stainless steel fastener production. Since the company was founded, adhering to the "quality to survive, innovation and development" concept, Actively drawing on the experience and absorbing the essence of stainless steel fastener technology, and constantly completing the development and improvement of new products, has won the unanimous praise of customers at home and abroad, we will always embrace: quality stainless, Integrity is the tenet of steel, warmly welcome all businesses to map, sample inquiries!
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What are the uses of expansion bolt, the installation process, and tips for ensuring a secure fit?

When it comes to securing heavy items to concrete, expansion bolts have become the go-to solution for DIY enthusiasts and professionals alike. From shelving units to handrails, expansion bolts offer a reliable and sturdy anchoring method. 

Expansion bolt, also known as wedge anchors, are mechanical fasteners designed to securely attach items to concrete, brick, or masonry. They consist of a threaded bolt, a sleeve, and a cone-shaped nut. The installation process involves drilling a hole into the concrete, inserting the bolt assembly, and tightening the nut, which causes the sleeve to expand and grip the sides of the hole. This creates a strong and reliable connection that can withstand substantial weight and force.

The versatility of expansion bolts makes them suitable for a wide range of applications. From installing heavy-duty equipment in industrial settings to anchoring fixtures in residential buildings, expansion bolt provide a robust and dependable fastening solution. Their ability to distribute load forces over a larger area of the base material makes them particularly effective for high-stress applications. Additionally, expansion bolts can be removed and replaced without compromising the integrity of the base material, offering a level of flexibility that other anchoring methods may not provide.

To ensure the optimal performance of expansion bolts, it's crucial to follow proper installation procedures. This includes using the appropriate drill bit size and depth to create the hole, ensuring that the hole is free from dust and debris before inserting the bolt, and tightening the nut to the recommended torque level. It's also important to consider the thickness and composition of the base material when selecting the type and size of expansion bolt to use. Seeking professional advice or consulting with hardware experts can provide valuable insights into the specific requirements of a given application.

Expansion bolts have revolutionized the way heavy items are anchored to concrete surfaces, offering a reliable and durable solution for a myriad of applications. By understanding the mechanics of expansion bolts, their versatile applications, and the best practices for installation, individuals and professionals can confidently tackle their anchoring needs with precision and peace of mind. Whether it's for a DIY project or a large-scale construction endeavor, the reliability and strength of expansion bolts continue to make them an indispensable asset in the world of fastening technology.