S-90447A230 M8 x 160 mm DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• High tensile strength of 150,000 psi ensures reliable performance under extreme loads, reducing failure risks in critical applications.
• Class 10.9 strength grade provides superior durability and fatigue resistance, ideal for heavy-duty machinery and structural assemblies.
• Partially threaded design allows for secure clamping in specific zones, minimizing vibration loosening and improving joint stability.
• M8 coarse thread with 1.25mm pitch enables faster installation and better grip in softer materials, saving assembly time.
• Black steel construction with Rockwell C32 hardness offers excellent corrosion resistance and wear longevity in harsh industrial environments.
• External hex drive and standard head dimensions ensure compatibility with common tools, streamlining maintenance and replacement processes.
• Compliance with DIN 931, RoHS 3, and REACH guarantees adherence to international quality and safety standards for global supply chain integration.

Professional Applications & Engineering Value

This M8 hex head screw is engineered to address common industrial challenges such as joint integrity and environmental durability. The Class 10.9 steel material, combined with a Rockwell C32 hardness rating, ensures consistent performance in high-stress applications like construction frameworks, automotive assemblies, and heavy machinery. The partially threaded configuration provides precise load distribution, reducing stress concentration points and preventing thread stripping. With a coarse thread pitch of 1.25mm, it offers quick installation in metals and composites, while the black surface finish enhances corrosion resistance. Ideal for industrial screws requirements, this fastener delivers reliable clamping force and longevity, minimizing downtime and maintenance costs in demanding settings.

Specification Summary & Compliance

This metric hex head screw features an M8 x 1.25mm thread size with Class 6g thread fit for precise dimensional accuracy. It complies with DIN 931 manufacturing standards, ensuring consistent quality and interchangeability. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations. With a minimum thread length of 22mm and overall length of 160mm, it meets rigorous industrial specifications for tensile strength and hardness, supporting reliable use in global engineering projects.