S-91290A188 M4 x 60 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 12.9 alloy steel construction, providing superior resistance to wear and fatigue in demanding industrial environments.
• High tensile strength of 170,000 PSI ensures reliable performance under heavy loads and vibrations, reducing the risk of fastener failure.
• Corrosion-resistant black-oxide coating extends service life by protecting against rust and environmental degradation, ideal for harsh conditions.
• Precise 3mm hex drive and standard socket head allows for easy installation and removal with standard tools, minimizing assembly time and effort.
• Partially threaded M4 x 0.7mm coarse thread design offers quick engagement and strong holding power, suitable for a wide range of materials and applications.
• Compliance with DIN 912/ISO 4762 standards guarantees dimensional accuracy and interchangeability, ensuring consistent quality and fit.
• RoHS 3 and REACH compliant for environmentally safe use, meeting global regulatory requirements without compromising performance.

Professional Applications & Engineering Value

This M4 socket head cap screw is engineered to address critical challenges in industrial settings, such as maintaining joint integrity under high stress and corrosive conditions. Made from Class 12.9 alloy steel with a Rockwell C37 hardness, it resists deformation and fatigue, making it ideal for machinery, automotive assemblies, and heavy equipment where reliability is paramount. The black-oxide surface treatment enhances corrosion resistance, while the right-hand coarse threads (0.7mm pitch) and partially threaded rod facilitate rapid installation and secure fastening in metals and composites. By adhering to DIN 912/ISO 4762 specifications, it ensures precise fit and reduces the risk of loosening, delivering long-term engineering value in demanding applications like aerospace, manufacturing, and construction.

Specification Summary & Compliance

This product features a thread fit of Class 5g6g for precise dimensional tolerance, with a minimum thread length of 20mm and overall length of 60mm. It conforms to DIN 912 (identical to ISO 4762) for socket head cap screws, ensuring standardized thread form and head dimensions. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting safe and sustainable use in various industries.