S-91290A054 M18 x 110 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with a Rockwell C37 hardness rating, ensuring long service life in demanding industrial environments.
• Superior corrosion resistance from the black-oxide finish on alloy steel, protecting against rust and extending fastener integrity.
• High tensile strength of 170,000 psi (Class 12.9) for reliable performance under heavy loads and high-stress applications.
• Precision Class 5g6g thread fit for smooth assembly and secure fastening, reducing the risk of cross-threading and loosening.
• Versatile hex drive design with a 14mm socket for easy installation and removal using standard tools, improving maintenance efficiency.
• Optimized thread engagement with a minimum 48mm thread length and coarse 2.5mm pitch, ensuring strong hold in various materials.
• Compliance with international standards including DIN 912/ISO 4762, RoHS 3, and REACH, guaranteeing safety and regulatory adherence.

Professional Applications & Engineering Value

This M18 socket head cap screw is engineered to address critical challenges in heavy machinery, automotive, and construction sectors where vibration, high stress, and environmental factors can compromise fastener integrity. The black-oxide alloy steel construction provides enhanced corrosion resistance, reducing maintenance needs in humid or abrasive conditions. With a Class 12.9 strength rating and 170,000 psi tensile strength, it ensures reliable performance in dynamic loads, preventing failures in bolted joints. The coarse metric thread with a 2.5mm pitch offers quick assembly and strong grip in soft or hard materials, while the partially threaded design allows for precise clamping force distribution. Ideal for high-torque applications, its hex drive and standard socket head profile facilitate easy access in confined spaces, streamlining installation and reducing downtime.

Specification Summary & Compliance

This product features precise Class 5g6g thread fit per ISO metric standards, ensuring dimensional accuracy and compatibility. It meets DIN 912/ISO 4762 specifications for socket head cap screws, covering dimensions and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it is free from hazardous substances, supporting environmental and safety standards in industrial use.