S-98093A898 M16 x 100 mm ASME B18.2.3.9M, SAE J1199 High-Strength Metric Class 10.9 Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the black phosphate steel coating extends service life in harsh industrial environments.
• Integrated flange design eliminates the need for a separate washer, simplifying installation and providing a larger bearing surface.
• High-strength Class 10.9 rating guarantees consistent performance for demanding mechanical and structural assemblies.
• Partially threaded shank allows for precise clamping force control and reduced thread galling in dynamic applications.
• External hex drive enables high-torque installation with standard tools, ensuring secure fastening in confined spaces.
• Rockwell C32 hardness provides excellent wear resistance, maintaining thread integrity through repeated use.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this M16 hex head flange screw delivers critical performance where vibration resistance and structural integrity are paramount. The black phosphate steel construction provides superior corrosion protection in automotive, machinery, and construction environments, while the Class 10.9 strength grade ensures reliable performance under extreme loads. The flanged design distributes clamping force evenly, preventing surface damage and reducing loosening in dynamic systems. With its metric coarse threading and partial threading, it offers optimal grip length control for precision assemblies, making it ideal for equipment manufacturing, structural steel connections, and high-vibration machinery where failure is not an option.

Specification Summary & Compliance

This metric hex head screw features M16 x 2mm coarse threading with Class 6g thread fit tolerance, ensuring precise engagement and interchangeability. Manufactured to ASME B18.2.3.9M specifications, it guarantees dimensional consistency and performance reliability. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental and safety standards for industrial use.