S-94414A731 M5 x 8 mm ASME B18.3.5M Alloy Steel Torx Flat Head Screws
Alloy Steel Torx Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior torque transmission with the Torx Plus IP25 drive, minimizing cam-out and tool wear for efficient assembly.
- Exceptional strength and durability from the Class 12.9 alloy steel, capable of withstanding high tensile loads up to 140,000 psi in demanding applications.
- Enhanced corrosion resistance provided by the black-oxide coating, extending the fastener's service life in various industrial environments.
- Reliable thread engagement with a coarse M5 x 0.8mm thread and Class 4g6g fit, ensuring consistent performance and vibration resistance.
- Optimized for countersunk applications with a standard 90° flat head profile, allowing for a flush finish and reduced risk of snagging.
- Full threading along the 8mm length offers maximum grip and holding power across the entire fastener.
- Compliance with major industry standards including ASME B18.3.5M, ensuring dimensional accuracy and interoperability.
Professional Applications & Engineering Value
This M5 flat head screw is engineered to address critical challenges in industrial applications where high strength, reliability, and corrosion resistance are paramount. The Class 12.9 alloy steel construction, combined with a Rockwell C38 hardness, provides exceptional resistance to shear and tensile forces, making it ideal for heavy machinery, automotive assemblies, and structural frameworks. The Torx Plus IP25 drive ensures maximum torque transfer without slippage, reducing assembly time and preventing damage to the fastener head. The black-oxide coating offers a durable layer of protection against rust and oxidation, enhancing longevity in harsh environments. With a fully threaded design and coarse 0.8mm pitch, it delivers secure fastening in materials where vibration resistance is critical, ensuring long-term joint integrity.
Specification Summary & Compliance
This fastener features a metric M5 x 0.8mm thread with a Class 4g6g thread fit for precise dimensional accuracy. It is manufactured in compliance with ASME B18.3.5M specifications, ensuring consistent quality and performance. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for use in various global markets.
