S-91502A212 M8 x 120 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional Tensile Strength – With 170,000 psi tensile strength and Class 12.9 rating, this screw provides superior load-bearing capacity and resistance to failure in demanding applications.
• High Durability & Corrosion Resistance – The blue-dyed zinc-plated alloy steel construction offers excellent protection against rust and wear, extending service life in harsh environments.
• Precision Hex Drive Design – The 6 mm hex socket drive ensures secure, slip-free installation and high torque transmission, reducing tool wear and assembly time.
• Optimized Thread Engagement – M8 x 1.25 mm coarse threads and Class 5g6g fit enable quick, reliable fastening with reduced cross-threading risk in industrial assemblies.
• Versatile Partially Threaded Shank – The 120 mm length with 28 mm threaded portion allows for flexible clamping and alignment in machinery and structural components.
• Consistent Hardness & Reliability – Rockwell C37 hardness ensures uniform performance and resistance to deformation under high stress and vibration.
• Broad Industrial Compliance – Meets DIN 912/ISO 4762 standards for dimensional accuracy, plus RoHS 3 and REACH regulations, ensuring safety and environmental compliance.

Professional Applications & Engineering Value

This M8 socket head cap screw is engineered to address critical challenges in heavy-duty industrial settings, where high tensile strength and vibration resistance are paramount. The Class 12.9 alloy steel core, combined with blue-dyed zinc plating, provides robust corrosion protection, making it ideal for machinery, automotive assemblies, and construction equipment exposed to moisture or chemicals. The coarse metric thread (M8 x 1.25mm) and partially threaded design facilitate rapid installation and secure clamping in high-stress joints, minimizing loosening over time. With a hex socket drive for precise torque application, this screw enhances assembly efficiency and reliability in industrial applications, reducing maintenance needs and downtime.

Specification Summary & Compliance

This socket head cap screw features precise Class 5g6g thread fit and adheres to DIN 912 / ISO 4762 standards for dimensional consistency. It is manufactured from high-grade alloy steel with a Rockwell C37 hardness and 170,000 psi tensile strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.