S-91280A945 M24 x 160 mm ISO 4014, DIN 931, SAE J1199, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior tensile strength of 110,000 psi ensures reliable performance in demanding industrial applications, reducing the risk of fastener failure.
• Zinc plating finish provides excellent corrosion resistance, extending the service life of the screw in harsh environments.
• Class 8.8 strength grade with Rockwell C21 hardness offers a robust balance of durability and mechanical reliability for heavy-duty use.
• Partially threaded design allows for secure clamping in assemblies where unthreaded shank sections improve shear resistance.
• Coarse metric thread (M24 x 3mm) with Class 6h fit enables quick installation and high resistance to vibration loosening.
• External hex drive and hex head facilitate easy tightening with standard tools, speeding up assembly processes.
• Compliance with ISO 4014, DIN 931, and other standards ensures interchangeability and quality consistency in global projects.

Professional Applications & Engineering Value

This M24 hex head screw is engineered to address critical challenges in heavy-duty industrial and construction applications, where high tensile loads and environmental factors can compromise fastener integrity. Made from Class 8.8 steel, it combines 110,000 psi tensile strength and Rockwell C21 hardness to withstand extreme stresses without deformation. The zinc plated finish resists corrosion, making it ideal for outdoor or humid settings, while the partially threaded metric design with coarse threads ensures secure fastening in structural frameworks, machinery, and equipment assemblies. By meeting ISO 4014 and DIN 931 standards, this screw provides reliable performance in sectors like manufacturing, infrastructure, and automotive, where precision and durability are paramount.

Specification Summary & Compliance

This fastener features precise metric threading (M24 x 3mm) with a Class 6h thread fit for consistent engagement and right-hand coarse threads that enhance installation efficiency. It adheres to key manufacturing standards including ISO 4014, DIN 931, SAE J1199, and ISO 898, ensuring dimensional accuracy and mechanical properties. Additionally, the product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, supporting environmental and safety regulations in industrial supply chains.