S-91290A029 M18 x 35 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance under extreme loads, reducing the risk of fastener failure in critical applications.
• Superior hardness (Rockwell C37) provides excellent wear resistance and durability, extending the service life of the screw in demanding environments.
• Black-oxide coating on alloy steel offers enhanced corrosion resistance, protecting the screw from rust and degradation in various industrial conditions.
• Precision Class 5g6g thread fit guarantees smooth installation and secure fastening, minimizing assembly time and improving joint integrity.
• Fully threaded design allows for maximum grip and adjustability along the entire length, ideal for applications requiring uniform clamping force.
• Compliance with DIN 912/ISO 4762 standards ensures consistent quality, dimensional accuracy, and interchangeability with other metric components.
• 14mm hex drive and standard socket head facilitate easy installation with common tools, reducing the need for specialized equipment and speeding up maintenance.

Professional Applications & Engineering Value

This M18 socket head cap screw is engineered to address common industrial challenges, such as vibration-induced loosening and high-stress fatigue. Made from black-oxide alloy steel, it combines high tensile strength with corrosion resistance, making it suitable for heavy-duty machinery, automotive assemblies, and construction equipment. The coarse thread with a 2.5mm pitch ensures quick assembly and reliable holding power in materials like steel and cast iron. Its fully threaded, right-hand design and Class 12.9 strength rating provide consistent performance in dynamic loads, reducing maintenance downtime and enhancing safety in critical engineering applications where precision and durability are paramount.

Specification Summary & Compliance

This screw features M18 x 2.5mm metric coarse threads with a Class 5g6g thread fit for precise tolerances, ensuring compatibility with standard nuts and tapped holes. It adheres to DIN 912 and ISO 4762 specifications for dimensional accuracy and performance. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for use in various industrial and international markets.