S-91052A123 M16 x 60 mm ISO 8676, DIN 961 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 high-stress conditions, reducing failure risks in critical applications.
• Superior corrosion resistance from zinc yellow-chromate plating extends service life in harsh industrial environments, minimizing maintenance needs.
• High-strength Class 10.9 rating provides consistent load-bearing capacity and durability for heavy-duty fastening requirements.
• Precision fine threading (1.5mm pitch) with Class 6h fit offers secure, vibration-resistant connections and improved assembly accuracy.
• Fully threaded design allows for maximum grip length and uniform stress distribution, enhancing joint integrity.
• Rockwell C32 hardness ensures excellent wear resistance and long-term dimensional stability under repetitive loads.
• External hex drive with 24mm head enables easy installation and high torque application using standard tools, boosting efficiency.

Professional Applications & Engineering Value

This M16 hex head screw is engineered to address common industrial challenges such as vibration loosening, corrosion-induced degradation, and high-tensile failure. The Class 10.9 steel construction, combined with fine metric threading and zinc yellow-chromate finish, delivers robust performance in demanding sectors like machinery assembly, structural steelwork, and automotive manufacturing. Its fully threaded design ensures uniform clamping force, while the external hex drive facilitates quick installation in confined spaces. By meeting ISO 8676/DIN 961 specifications, it provides reliable, standardized fastening solutions that reduce downtime and maintenance costs in industrial applications.

Specification Summary & Compliance

This fastener adheres to precise metric dimensions including M16 thread size, 1.5mm pitch, and Class 6h thread fit for consistent compatibility. Manufactured in compliance with ISO 8676 and DIN 961 standards, it ensures dimensional accuracy and performance reliability. The zinc yellow-chromate plating offers environmental protection, while the Class 10.9 strength grade and Rockwell C32 hardness validate its mechanical integrity for industrial use.