S-91280A532 M8 x 22 mm ISO 4017, DIN 933, SAE J1199, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional Tensile Strength – With 110,000 psi tensile strength and Rockwell C21 hardness, these screws provide reliable performance in high-stress industrial applications.
• Superior Corrosion Resistance – Zinc plating offers enhanced protection against rust and environmental degradation, extending service life in harsh conditions.
• Precision Thread Fit – Class 6h thread fit ensures smooth installation and secure fastening, reducing the risk of stripping or loosening over time.
• High-Strength Material – Made from Class 8.8 steel, these fasteners deliver consistent durability and load-bearing capacity for demanding mechanical assemblies.
• Wide Industry Compliance – Meets ISO 4017, DIN 933, and SAE J1199 standards, ensuring compatibility and reliability across global engineering projects.
• Full Thread Engagement – Fully threaded design allows for maximum grip and even load distribution along the entire length, enhancing joint integrity.
• Environmental Safety – RoHS 3 and REACH compliant, making them safe for use in regulated industries without harmful substances.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these M8 hex head screws combine Class 8.8 steel construction with a zinc-plated finish to address common challenges like corrosion and mechanical failure. The coarse thread (M8x1.25) and external hex drive facilitate quick installation and high torque resistance, minimizing assembly time while preventing slippage. Ideal for machinery, automotive, and structural frameworks, the fully threaded design ensures uniform stress distribution, reducing the risk of joint fatigue. By adhering to ISO 4017 and DIN 933 standards, these screws provide consistent performance and interchangeability, supporting efficient maintenance and repair cycles in B2B procurement environments.

Specification Summary & Compliance

This M8 hex head screw features precise Class 6h thread fit and metric coarse pitch (1.25 mm), manufactured to ISO 4017, DIN 933, and SAE J1199 specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity. With dimensions of 22 mm length, 13 mm head width, and right-hand thread direction, it guarantees accurate alignment and reliable fastening in standardized assemblies.