M12x1 25 Flange Bolt

1.GB-T 16674.2 Hex Head Flange Bolts-Fine Pitch Thread-Small Series

2.Source bolt manufacturer, own factory: with price advantage, eliminating the price difference of middlemen.

3.Adopt the industry's top high-quality thickened steel, high stability and long-lasting durability.

4.Support customer customization.

5.Professional sales and after-sales service, welcome to inquire at any time.

6.Delivery on time.


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Product Details

Everything You Need to Know About M12x1 25 Flange Bolt: Performance, Precision, and Application

The M12x1 25 Flange Bolt is a high-performance fastener that combines metric threading precision with the enhanced stability of a flange design. Often used in automotive and industrial assemblies, this bolt stands out for its ability to maintain secure connections even under high torque and vibration. In this comprehensive guide, we’ll explore why the M12x1 25 Flange Bolt is a smart choice for your next project.


What Is an M12x1 25 Flange Bolt?

The M12x1 25 Flange Bolt is a metric bolt with a 12mm diameter and a fine thread pitch of 1.25mm. The “flange” refers to the wide, circular base beneath the bolt head, which distributes pressure more evenly and eliminates the need for a washer. Its combination of thread accuracy and integrated flange makes it an ideal choice in applications requiring both strength and precision.


Key Features of the M12x1 25 Flange Bolt

  1. Metric Fine Thread (1.25mm Pitch)
    The fine thread ensures more precise torque control, reduced loosening, and higher clamping force—critical for automotive and mechanical components.

  2. Integrated Flange Washer
    The built-in washer spreads the load across a larger surface area, reducing the likelihood of damage to the connected parts.

  3. High Torque Resistance
    The M12x1 25 Flange Bolt can endure high torque levels without thread stripping, making it suitable for demanding applications.

  4. Anti-Vibration Design
    Often paired with serrated flanges, these bolts offer excellent resistance to loosening caused by vibration or movement.


Advantages of Using M12x1 25 Flange Bolt

Using the M12x1 25 Flange Bolt offers multiple benefits across different industries:

  • Simplified Assembly: No need for separate washers reduces complexity.

  • Improved Load Distribution: Protects surfaces from deformation and enhances joint stability.

  • Tight Tolerance Fit: Fine thread pitch increases engagement per rotation, enabling greater control during tightening.

  • Versatile Application: Works well in both static and dynamic load environments.


Common Applications of M12x1 25 Flange Bolt

Because of its size, strength, and reliability, the M12x1 25 Flange Bolt is commonly used in:

  • Automotive Industry: Engine components, suspension assemblies, chassis brackets.

  • Motorsports and Performance Tuning: Where high torque and vibration resistance are critical.

  • Heavy Machinery: Agricultural equipment, mining rigs, industrial frames.

  • Mechanical Assemblies: Flanged joints, mounting systems, vibration-sensitive structures.


Material Options and Finishes

Depending on the application environment, M12x1 25 Flange Bolts are available in various materials and coatings:

  • Carbon Steel: Affordable and durable for general use.

  • Stainless Steel (A2, A4): Offers excellent corrosion resistance, ideal for outdoor or marine applications.

  • Alloy Steel: High tensile strength for demanding mechanical systems.

  • Zinc-Plated or Black Oxide: Adds extra protection against rust while improving aesthetic appeal.


Choosing the Right M12x1 25 Flange Bolt

When selecting the right M12x1 25 Flange Bolt, consider the following:

  • Load Requirements: Ensure the bolt’s tensile strength matches your structural needs.

  • Environmental Conditions: Choose stainless or coated bolts for humid or corrosive settings.

  • Flange Design: Serrated flanges for high vibration; smooth flanges for delicate surfaces.

  • Length and Grip Area: Match bolt length to the thickness of the assembled parts.


Installation Tips

To ensure optimal performance when using the M12x1 25 Flange Bolt, follow these best practices:

  • Use a torque wrench for consistent clamping force.

  • Avoid cross-threading by starting the bolt by hand.

  • Apply thread-locking compound in high-vibration zones.

  • Re-torque bolts periodically in load-bearing structures.


Conclusion

The M12x1 25 Flange Bolt is a versatile, durable, and reliable fastener that offers precision performance for high-demand applications. Whether you are upgrading a race engine, assembling an industrial machine, or building a structural frame, this bolt delivers on both performance and safety.

When reliability matters, trust the M12x1 25 Flange Bolt to provide superior strength, alignment accuracy, and long-lasting stability.


M12x1 25 Flange Bolt M12x1 25 Flange Bolt M12x1 25 Flange Bolt M12x1 25 Flange Bolt

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M12x1 25 Flange Bolt

M12x1 25 Flange Bolt

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