S-91310A860 M16 x 100 mm ISO 4014, 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 in high-stress applications, reducing the risk of fastener failure.
• Class 10.9 strength grade provides superior load-bearing capacity and fatigue resistance for demanding industrial environments.
• Precision Class 6g thread fit guarantees smooth assembly and secure fastening, minimizing play and vibration loosening.
• Partially threaded design allows for controlled clamping force and is ideal for applications requiring precise unthreaded shank sections.
• Rockwell C32 hardness enhances wear resistance and durability, extending service life under repetitive mechanical stress.
• External hex drive with 24mm head offers high torque capability and easy installation with standard tools, improving efficiency.
• Compliance with ISO 4014/DIN 931 standards ensures interchangeability and consistent quality in global engineering projects.

Professional Applications & Engineering Value

This M16 hex head screw is engineered to address critical challenges in heavy-duty industrial settings, such as machinery assembly, structural frameworks, and automotive systems. Its Class 10.9 steel construction and 150,000 psi tensile strength provide robust resistance to dynamic loads and environmental stresses, preventing joint failure in high-vibration environments. The partially threaded metric design with a 2 mm coarse pitch ensures rapid installation and reliable grip in materials like steel and cast iron, while the external hex drive facilitates quick maintenance and disassembly. By meeting ISO 4014/DIN 931 specifications, it delivers consistent performance in applications requiring precise Class 6g thread fit, reducing downtime and enhancing operational safety in sectors like construction, manufacturing, and equipment repair.

Specification Summary & Compliance

This fastener features a metric M16x2 mm thread with Class 6g tolerance for precise fit, a 100 mm length, and partial threading over a minimum of 38 mm. It conforms to ISO 4014 and DIN 931 manufacturing standards, ensuring dimensional accuracy and reliability. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmental and safety regulations in industrial supply chains.