S-98093A865 M16 x 40 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 load-bearing capacity with Class 10.9 strength grade and 150,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion protection through black-phosphate steel coating, extending service life in harsh industrial environments
• Optimized torque transmission with external hex drive and 24mm head width for secure installation and easy maintenance
• Enhanced stability and load distribution thanks to the integrated 35mm flange design, reducing the need for separate washers
• Consistent thread engagement with Class 6g thread fit and coarse 2mm pitch for quick assembly and vibration resistance
• Full-threaded design providing maximum grip length and uniform stress distribution along the entire 40mm length
• Industry-standard compatibility meeting ASME B18.2.3.9M specifications for reliable interchangeability

Professional Applications & Engineering Value

This M16 hex head screw delivers critical engineering advantages for heavy-duty industrial applications where fastener failure is not an option. The Class 10.9 metric screw construction with Rockwell C32 hardness ensures exceptional resistance to shear forces and permanent deformation under extreme loads. The black-phosphate steel surface treatment provides superior corrosion resistance in environments exposed to moisture, chemicals, and temperature variations. The combination of fully threaded design with coarse 2mm pitch enables rapid installation while maintaining secure fastening in vibrating machinery, structural steel connections, and heavy equipment assembly. The integrated flange eliminates washer requirements while distributing clamp load effectively, making these industrial fasteners ideal for automotive, construction, and manufacturing applications demanding both strength and efficiency.

Specification Summary & Compliance

This M16x2mm screw features precise Class 6g thread fit tolerances according to metric standards with right-hand thread direction and external hex drive. Manufacturing complies with ASME B18.2.3.9M specifications for dimensional accuracy and performance reliability. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. With 40mm length and 35mm flange diameter, this flanged screw delivers consistent performance in accordance with international quality standards.