Aluminum 304 Blue Flat Head Cross Torx Shoulder Screw

Key Parameters:

Material: 304 Stainless Steel

Finish: Blue Anodized

Thread Type: Metric (M) or Unified Thread Standard (USS), depending on customer requirements

Drive Type: Cross Torx Drive

Head Style: Flat Head

Size Range: M2 to M12 (custom sizes available)

Shoulder Diameter: Customizable

Strength Grade: 70, 80, or 100 (depending on customer specifications)

Compliance: ISO 14581, DIN 912, RoHS Compliant

Certifications: ISO 9001:2015, RoHS Compliant, CE Marked

Material Selection: The screws are made from 304 stainless steel, known for its excellent corrosion resistance, strength, and formability. This material is ideal for applications in environments where exposure to moisture or corrosive agents is expected. Additionally, the blue anodized finish provides an extra layer of protection, enhancing the screw's resistance to wear and corrosion.

Cold Heading: The production process begins with cold heading, where the raw material (typically wire) is formed into the rough shape of the shoulder screw, including the shoulder and the flat head. This method preserves the strength of the material while allowing for precise shaping.

Thread Rolling: After cold heading, the threads are rolled onto the screw shaft. The thread rolling process ensures that the threads are robust, smooth, and have a high resistance to stripping. It also reduces the risk of stress concentrations that could lead to failure during use.

Head Formation: The flat head is formed to meet dimensional specifications. This flat design allows the screw to sit flush with the surface, which is especially important for aesthetic applications or where a clean, smooth finish is required.

Torx Drive Insertion: A cross Torx drive is inserted into the head, providing superior torque and preventing slipping during installation. The Torx drive allows for better control during tightening, which can be particularly useful in high-torque applications.

Anodizing: The screws undergo a blue anodizing process to enhance the surface hardness and improve corrosion resistance. Anodizing also adds an attractive color, making the screws suitable for decorative or visible applications.

Quality Control: Every batch of screws undergoes strict quality control procedures, including dimensional checks, torque tests, and resistance to corrosion. This ensures that each screw meets industry standards for strength and reliability.

The Aluminum 304 Blue Flat Head Cross Torx Shoulder Screw is widely used in various industries where precision, reliability, and corrosion resistance are key requirements:

Electronics & Electrical Equipment: Commonly used in electrical enclosures, circuit boards, and control panels, where secure fastening and non-corrosive materials are necessary.

Automotive & Aerospace: Used in the assembly of internal components, where high strength, durability, and resistance to corrosion are critical in demanding environments.

Medical Devices & Equipment: Ideal for medical instrument assemblies and devices that require precise components and strong mechanical properties.

Machinery & Industrial Equipment: Essential for the secure assembly of mechanical systems, offering a stable bearing surface and reliable fastening for parts under load.

Consumer Electronics: Suitable for fastening within consumer electronics, including laptops, smartphones, and other devices, where a low-profile, aesthetic solution is needed.

Furniture & Home Appliances: Can be used for securing furniture hardware or home appliance components, providing both functional and aesthetic value.

What is the advantage of a flat head design in these shoulder screws?
The flat head design allows the screw to sit flush with the surface, ensuring a smooth finish. This is particularly useful in applications where appearance is important or when a low-profile fit is needed.

Why is the screw made from 304 stainless steel?
304 stainless steel is chosen for its corrosion resistance, strength, and durability. It is ideal for use in environments where the screw may be exposed to moisture or chemicals, making it suitable for a wide range of applications.

What is the purpose of the blue anodized finish?
The blue anodized finish not only enhances the screw's aesthetic appeal but also increases the surface hardness, improves corrosion resistance, and provides a more durable surface, protecting the screw in harsh environments.

Can I use these screws in outdoor or marine environments?
Yes, the 304 stainless steel material and blue anodized finish provide excellent resistance to corrosion, making these screws suitable for outdoor and marine applications where they may be exposed to moisture, salt, or other harsh environmental conditions.

What sizes are available for these screws?
These screws are available in sizes ranging from M2 to M12. Custom sizes and shoulder diameters can be produced based on specific application requirements.

How do I install these screws?
These screws use a cross Torx drive, which provides superior grip and torque resistance. You will need a Torx driver or bit to install the screw. The drive ensures that the screw can be tightened securely without slipping.

Can these screws be used in high-torque applications?
Yes, the cross Torx drive and robust construction make these screws suitable for high-torque applications, providing reliable performance under heavy stress without the risk of stripping or slipping.

Are these screws suitable for the medical industry?
Yes, 304 stainless steel is widely used in medical devices and equipment because it is non-reactive and corrosion-resistant, ensuring safety and durability in sensitive applications.

What are the main benefits of using these screws over traditional screws?
The main benefits include the cross Torx drive for superior torque handling, the flat head for a flush, smooth finish, the shoulder for load-bearing and precise positioning, and the corrosion resistance provided by 304 stainless steel and the blue anodized finish.

Can I order these screws in custom sizes or designs?
Yes, we offer customization options for screw sizes, shoulder diameters, and finishes to meet your specific requirements. Please contact us with your specifications for a quote.

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