S-91290A994 M22 x 120 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Maximum load-bearing capacity with Class 12.9 strength rating and 170,000 psi tensile strength for critical structural applications
• Superior corrosion resistance through black-oxide surface treatment, extending service life in demanding environments
• Precise torque transmission via 17mm hex drive socket, preventing tool slippage and ensuring consistent fastening
• Optimized thread engagement with coarse 2.5mm pitch and Class 5g6g thread fit for rapid assembly and vibration resistance
• Enhanced durability from Rockwell C37 hardness alloy steel, maintaining integrity under repeated stress cycles
• Versatile partial threading design allowing both secure fastening and smooth shank alignment in precision assemblies
• Global compliance assurance meeting DIN 912/ISO 4762 standards for international project specifications

Professional Applications & Engineering Value

This M22 socket head cap screw delivers exceptional engineering value in heavy machinery, automotive manufacturing, and industrial equipment where high tensile strength and reliability are paramount. The black-oxide alloy steel construction provides superior corrosion protection in harsh operating environments, while the coarse metric thread with 2.5mm pitch ensures rapid installation and maintains clamping force under vibration. The partially threaded design offers dual benefits: the threaded section provides secure fastening while the smooth shank prevents thread galling in alignment-critical applications. With its 17mm hex drive and standardized socket head profile, technicians can achieve precise torque application without cam-out, reducing assembly time and improving joint integrity in high-stress connections.

Specification Summary & Compliance

Manufactured to DIN 912/ISO 4762 specifications with Class 5g6g thread fit tolerance ensuring precise engagement. The metric coarse thread (M22 x 2.5mm) provides optimal performance in industrial applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest substance restriction requirements for global manufacturing standards.