S-91290A854 M20 x 70 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength-to-weight ratio with Class 12.9 rating and 170,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance provided by black-oxide surface treatment, extending service life in demanding industrial environments
• Precise torque transmission through 17mm hex drive and standard socket head profile, ensuring secure fastening without stripping
• Optimized thread engagement with Class 5g6g thread fit and coarse 2.5mm pitch for faster assembly and reduced cross-threading risk
• Maximum holding power achieved through fully threaded M20 design and Rockwell C37 hardness for consistent performance under vibration
• Global compliance assurance meeting DIN 912/ISO 4762 standards plus RoHS 3 and REACH regulations for international project suitability
• Versatile 70mm length providing ample threading depth for various material thicknesses in industrial assemblies

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these M20 socket head cap screws solve critical fastening challenges in heavy machinery, automotive manufacturing, and structural frameworks. The black-oxide alloy steel construction provides superior protection against corrosion while maintaining the Class 12.9 strength rating essential for high-stress connections. The coarse metric thread with 2.5mm pitch ensures rapid installation in tough materials while the fully threaded design distributes clamping force evenly across the entire 70mm length. The 17mm hex drive and standard socket head profile deliver maximum torque transmission without cam-out, making these socket head cap screws ideal for applications where space constraints require compact fastening solutions with uncompromised performance.

Specification Summary & Compliance

This metric socket head cap screw features M20 x 2.5mm coarse threading with Class 5g6g thread fit tolerance per ISO standards. Manufactured to DIN 912/ISO 4762 specifications with complete fully threaded rod type and standard socket head profile. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and chemical safety in industrial applications worldwide.