S-91280A812 M14 x 180 mm ISO 4014, DIN 931, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 110,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
• Class 8.8 strength grade provides high durability and load-bearing capacity, ideal for structural and heavy-duty assemblies.
• Zinc plating finish offers superior corrosion resistance, extending service life in harsh or outdoor environments.
• Partially threaded design allows for secure clamping on unthreaded sections, improving joint stability and vibration resistance.
• External hex head and coarse M14x2 mm thread enable quick installation and high torque application with standard tools, saving assembly time.
• Precision thread fit (Class 6h) ensures consistent engagement and reduces cross-threading risks during installation.
• Compliance with ISO 4014 and DIN 931 guarantees interchangeability and meets international engineering standards for quality assurance.

Professional Applications & Engineering Value

This M14 hex head screw is engineered to address critical fastening challenges in heavy-duty industrial and construction applications. The Class 8.8 steel construction, combined with a Rockwell C21 hardness, provides robust resistance to shear and tensile stresses, making it suitable for structural frameworks, machinery assembly, and infrastructure projects. The zinc plated surface effectively combats corrosion, which is essential in environments exposed to moisture or chemicals. With a coarse metric thread and partial threading, it ensures secure fastening in materials where full threading is unnecessary, reducing material stress and improving fatigue resistance. This screw’s external hex drive allows for high-torque tightening, facilitating efficient installation in confined spaces, while adherence to ISO 4014 and DIN 931 standards ensures reliability and compatibility in global supply chains.

Specification Summary & Compliance

This product features a metric M14 x 2 mm coarse thread with a Class 6h thread fit for precise dimensional accuracy. It complies with ISO 4014 and DIN 931 manufacturing specifications, ensuring consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, supporting environmental and safety regulations in industrial use.