S-90447A111 M16 x 95 mm DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 10.9 strength grade, ensuring reliable performance under high stress and vibration.
• Superior corrosion resistance and durability thanks to the black steel construction, ideal for harsh industrial environments.
• Easy and secure installation with an external hex drive and 24mm head width, allowing for high torque application without slipping.
• Optimized thread engagement with coarse 2mm pitch and Class 6g fit, providing quick assembly and reduced cross-threading risks.
• Versatile partial threading (38mm min thread length) offers a strong grip on materials while leaving the shank clear for precise alignment.
• High hardness rating (Rockwell C32) minimizes wear and deformation, extending the fastener's service life in repetitive use.
• Compliance with international standards including DIN 931, RoHS 3, and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This M16 hex head screw is engineered to address critical challenges in heavy-duty applications, such as machinery assembly, structural frameworks, and automotive components. The Class 10.9 steel construction provides a tensile strength of 150,000 psi, effectively resisting fatigue and overload in dynamic settings. Its partially threaded design allows the unthreaded shank to bear shear loads, reducing stress concentration at the threads. With a coarse metric thread and external hex drive, it ensures rapid installation and removal, minimizing downtime in production lines. The black surface finish adds a layer of protection against rust, making it suitable for outdoor or humid conditions while maintaining consistent performance under repetitive torque cycles.

Specification Summary & Compliance

This fastener adheres to precise metric dimensions with a thread size of M16, pitch of 2mm, and length of 95mm. The thread fit Class 6g ensures dimensional accuracy per ISO standards, while the DIN 931 specification governs its mechanical properties and design. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances. Manufactured to meet Class 10.9 strength requirements, it guarantees consistent performance in industrial applications where reliability and regulatory conformity are paramount.