S-92820A445 M8 x 40 mm High-Strength Metric Steel Serrated-Flange Hex Head Screws
High-Strength Metric Steel Serrated-Flange Hex 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
- Enhanced corrosion resistance with black-oxide steel coating, extending service life in demanding industrial environments.
- Superior load-bearing capacity due to 130,000 psi tensile strength and Rockwell C27 hardness, ensuring reliable performance under high stress.
- Secure anti-loosening performance from serrated locking and flanged design, providing vibration resistance without separate washers.
- Precise thread engagement with Class 6g metric coarse threads, enabling quick assembly and reducing cross-threading risks.
- Efficient installation and removal using standard external hex drive tools, minimizing downtime in maintenance and production.
- Full thread coverage along the 40mm length, offering consistent clamping force across the entire fastened joint.
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in global industrial supply chains.
Professional Applications & Engineering Value
Engineered for high-stress industrial applications, these M8 hex head screws with black-oxide steel construction address critical challenges in machinery assembly, automotive components, and heavy equipment. The fully threaded design ensures uniform stress distribution, while the flange and serrations eliminate the need for additional locking elements, reducing part count and assembly time. With a coarse thread pitch of 1.25mm and Class 6g thread fit, these screws provide rapid installation in metals and alloys, maintaining integrity in vibrating environments. Ideal for industrial screws requirements, they deliver durability and compliance without compromising on performance.
Specification Summary & Compliance
This M8 x 1.25mm metric screw features a 40mm length, fully threaded shaft, and Class 6g thread tolerance per ISO standards for precise fit. Manufactured from black-oxide steel with a flange diameter of 18.2mm, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring adherence to environmental and safety regulations in industrial use.
