S-90447A117 M16 x 170 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 and 150,000 psi tensile strength for reliable performance in demanding applications.
• Superior corrosion resistance and durability due to the high-quality steel construction and black finish, extending service life in harsh environments.
• Secure and efficient installation enabled by the external hex head design, providing excellent torque transmission and ease of use with standard tools.
• Optimized thread engagement and vibration resistance through coarse M16x2 metric threading and Class 6g thread fit, ensuring stable connections.
• Versatile partial threading along the 170mm length allows for precise clamping force distribution and is ideal for components requiring unthreaded shank sections.
• Compliance with international standards including DIN 931, ensuring dimensional accuracy, interchangeability, and consistent quality.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting stringent regulatory requirements for industrial use.

Professional Applications & Engineering Value

This M16 hex head screw is engineered to address critical fastening challenges in heavy-duty industrial applications, such as machinery assembly, structural steel connections, and automotive components. The Class 10.9 strength grade and high tensile strength ensure it withstands extreme mechanical stresses and dynamic loads, reducing the risk of fastener failure. The partially threaded design with a coarse metric thread provides enhanced grip and resistance to loosening under vibration, common in equipment like presses or conveyor systems. Made from robust steel and featuring a black surface finish, it offers reliable corrosion protection, making it suitable for both indoor and outdoor environments. By conforming to DIN 931 specifications, it guarantees precise dimensions and compatibility, streamlining procurement and installation for engineers and maintenance teams.

Specification Summary & Compliance

This hex head screw features an M16x2 coarse thread with a Class 6g thread fit for standard metric tolerances, ensuring consistent performance. It is manufactured in accordance with DIN 931 standards, covering dimensional and mechanical requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety guidelines.