S-90166A168 M12 x 50 mm DIN 6921 Stainless Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Enhanced load distribution with a 26.6mm flange diameter, reducing surface pressure and preventing material damage in assembly applications.
• Superior corrosion resistance thanks to 18-8 stainless steel construction, ensuring long-term reliability in harsh or humid environments.
• High tensile strength of 100,000 psi provides dependable holding power for demanding industrial and structural fastening tasks.
• Precise Class 6g thread fit ensures smooth installation and secure engagement, minimizing the risk of cross-threading or loosening.
• Coarse M12 x 1.75 mm thread allows for quicker assembly and disassembly, improving efficiency in maintenance and production lines.
• External hex drive design offers easy access for standard tools, facilitating straightforward installation and removal.
• Full threading along the 50mm length maximizes grip and adjustability, accommodating various material thicknesses with a single screw type.

Professional Applications & Engineering Value

Engineered for robust performance, this M12 flanged hex head screw addresses common industrial challenges such as vibration-induced loosening and corrosion in machinery, automotive, and construction assemblies. The 18-8 stainless steel material provides excellent resistance to rust and chemicals, making it ideal for outdoor or high-moisture settings. With its flanged design, it eliminates the need for separate washers, streamlining installation while distributing clamp load evenly to prevent surface indentation. The coarse metric thread and external hex drive ensure quick, tool-friendly fastening, reducing labor time in high-volume production environments. Complying with DIN 6921, it guarantees dimensional accuracy and interoperability in European-standard equipment, offering a reliable solution for engineers seeking durability and compliance in industrial fasteners.

Specification Summary & Compliance

This screw features a Class 6g thread fit per ISO metric standards, ensuring precise tolerance for consistent performance. It is manufactured to meet DIN 6921 specifications for flanged hex head screws, providing reliable dimensional accuracy. Additionally, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in restricted substance-sensitive applications.