Threaded Fastener Of Flanged Hexagon Head Bolt
Products Description
Threaded Fastener of Flanged Hexagon Head Bolts are designed for heavy-duty assembly, vibration conditions, and environments where substrates are prone to damage. They offer an engineering-grade solution integrating flange-integrated anti-loosening, uniform surface pressure distribution, elimination of additional gaskets, and sealing protection. Unlike traditional hexagon head bolts that require separate gaskets, these bolts feature a core design concept of "integrated flange molding + serrated anti-slip engagement," addressing four key pain points for professional buyers: gasket displacement under heavy loads, loosening due to vibration, substrate deformation under pressure, and cumbersome assembly of multiple components. Through the innovative integrated Flanged Hexagon Head Bolt Screw structure, they provide "efficient, long-lasting, and reliable" fastening protection for heavy-duty applications such as construction machinery, wind power equipment, rail transportation, marine engineering, and heavy-duty vehicles, becoming the preferred basic component to replace the "bolt + gasket" combination in heavy-duty and vibration environments.
Main Functions: Focusing on the Core Needs of Heavy-Duty Integrated Fastening
Heavy-Duty Long-Lasting Fastening
The integrated structure and high-strength base material design can withstand static heavy loads and dynamic impact loads. Grade 12.9 products have a tensile strength ≥1220MPa and a shear strength ≥970MPa, meeting the long-term fastening needs of heavy-duty equipment such as engineering machinery and wind power equipment.
01
Integrated Anti-Loosening Self-Locking
The flange face serrated interlocking + thread anti-loosening coating + fine thread design provides a triple anti-loosening mechanism that effectively resists the risk of loosening caused by high-frequency vibration and temperature cycling. No additional anti-loosening washers are required, simplifying assembly while improving fastening reliability.
02
Surface Pressure Dispersion Protection
The enlarged Hex - Headed Bolt with Flange Attachment evenly distributes the fastening pressure to a larger contact area, reducing the pressure per unit area by more than 25%. This prevents thin or brittle base materials (such as cast iron and aluminum alloys) from deforming or cracking under pressure, ensuring the structural integrity of the workpiece.
03
Sealing and Protection Function
The flange face sealing groove is compatible with sealing elements, forming a closed-loop sealing structure that prevents moisture, dust, and oil from entering the threaded connection, extending Hexagon Head Flange Bolt Screw life, and making it suitable for harsh working conditions such as outdoor, humid, and oily environments.
04
Efficient and Convenient Assembly
The integrated flange replaces the "Flange - Equipped Hexagon Head Bolt + washer" combination, reducing the number of assembly parts, preventing washer loss or displacement, and shortening single-piece installation time by 40%. It is suitable for large-scale automated production lines and on-site engineering construction.
05
Design Advantages: Relentless Pursuit of Engineering Details
Stress-Free Transition Structure
The connection between the flange and the bolt body utilizes a gradient curved surface design, eliminating stress concentration points common in traditional bolts. This design not only enhances strength but also ensures long-term connection stability, keeping the Hexagonal Head Screws Having Washers from loosening even under vibration.
Intelligent Installation Guidance Design
The Hex Head Screw with Washer Assembly head features micro-guide grooves, which, combined with a specialized wrench, ensure precise alignment during installation, preventing stress concentration and installation failure due to misalignment.
Gap-Free Fit Process
The precise chamfering of the flange edges ensures a zero-gap fit between the Hex Head Screw with Washer and the connection surface after installation, avoiding the common "suspended" problem of traditional bolts and providing the most stable support for the connection structure.
Detail Showcase: The Devil Is in the Details, Professionalism Lies in the Microscopic Aspects
Flange Bottom Surface Flatness
Under a flatness tester, you'll see that our flange bottom surface is as flat as a mirror. This is the fundamental guarantee for ensuring uniform preload transmission and avoiding localized stress concentration.
Head and Shank Concentricity and Perpendicularity
Through precise molds and strict process control, we ensure that the Zinc-plated Hexagon Head Screws with Washers head and shank have extremely high coaxiality and perpendicularity. This ensures that when tightened, the bolt is perpendicular to the connected surface, avoiding unnecessary bending stress.
Anti-Loosening Serration Shape and Hardness
For anti-loosening flanges, the serrations appear sharp and uniform under a microscope. Through surface hardening treatment, their hardness is far higher than the base material, ensuring easy embedding into various metal surfaces and forming a durable and effective lock.
Smooth Transition of Threads and Chamfers
The beginning and end of the threads are carefully designed with chamfers. This not only facilitates the quick screwing in of the nut, but also prevents the sharp edges of the threads from scratching the mating Hex Head Screws with Washers Attached, thus protecting the entire connection system.
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