S-90447A127 M16 x 300 mm DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance under extreme loads, reducing the risk of fastener failure in demanding applications.
• High-grade Class 10.9 steel construction provides superior durability and resistance to wear, extending service life in industrial environments.
• Rockwell C32 hardness offers excellent resistance to deformation, maintaining structural integrity under high stress.
• Partially threaded design with Class 6g tolerance allows for precise alignment and secure fastening, minimizing assembly errors.
• Coarse 2 mm pitch thread enables quick installation and removal, saving time in maintenance and assembly operations.
• External hex drive and 24 mm head width facilitate easy tightening with standard tools, improving installation efficiency.
• Compliance with DIN 931, RoHS 3, and REACH ensures adherence to international quality and environmental standards, supporting global supply chain requirements.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this M16 hex head screw addresses critical challenges in machinery, construction, and automotive sectors where vibration and high loads are common. The Class 10.9 steel material, combined with a Rockwell C32 hardness, provides resistance to shear and fatigue, preventing loosening and failure in dynamic environments. Its partially threaded configuration with coarse 2 mm pitch ensures rapid assembly and robust clamping force, while the external hex drive allows for efficient torque application with common tools. By meeting DIN 931 standards and RoHS/REACH compliance, it offers reliability in regulated industries, reducing downtime and maintenance costs through consistent performance and environmental safety.

Specification Summary & Compliance

This fastener features M16 x 2 mm metric coarse threads with a Class 6g thread fit for precise tolerance, ensuring compatibility in industrial-grade assemblies. It adheres to DIN 931 specifications for dimensional accuracy and is manufactured from steel with a black finish. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming it is free from hazardous substances and suitable for global use in sectors requiring high-strength, reliable fastening solutions.