S-91280A112 M3 x 16 mm ISO 4017, DIN 933, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• High Tensile Strength: With 110,000 psi tensile strength, this screw provides reliable holding power in demanding applications, reducing the risk of fastener failure.
• Superior Corrosion Resistance: Zinc plating offers excellent protection against rust and corrosion, extending the service life of your assemblies in various environments.
• Precision Thread Fit: Class 6h thread fit ensures smooth installation and secure fastening, minimizing play and vibration loosening in machinery.
• Full Threading Design: Fully threaded shank maximizes grip and load distribution, ideal for applications requiring strong clamping force along the entire length.
• High Material Hardness: Rockwell C21 hardness provides excellent wear resistance and durability, maintaining performance under repeated stress.
• Standard Compliance: Meets ISO 4017 and DIN 933 specifications, ensuring interchangeability and reliability in global industrial projects.
• Easy Installation: External hex head design allows for quick and secure tightening with standard tools, improving assembly efficiency.

Professional Applications & Engineering Value

This M3 hex head screw is engineered to address common industrial challenges such as vibration-induced loosening and environmental degradation. Made from Class 8.8 steel, it delivers robust performance in heavy-duty applications like machinery assembly, automotive components, and electronic enclosures. The coarse thread with a 0.5mm pitch ensures rapid installation and strong holding power, even in materials prone to stripping. The zinc plated finish provides a protective barrier against moisture and chemicals, making it suitable for outdoor or harsh indoor environments. Fully compliant with international standards, this metric screw offers consistent quality and reliability, reducing maintenance needs and downtime in professional settings.

Specification Summary & Compliance

This fastener features a Class 6h thread fit per ISO metric standards, ensuring precise dimensional accuracy for consistent performance. It complies with ISO 4017 and DIN 933 manufacturing specifications, guaranteeing uniformity and reliability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its safety and sustainability for global industrial use.