S-91290A879 M24 x 140 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 demanding applications.
• Superior corrosion resistance from the black-oxide finish on alloy steel, extending service life and maintaining integrity in harsh industrial environments.
• Precise Class 5g6g thread fit provides consistent engagement and vibration resistance, minimizing loosening in high-stress assemblies.
• High Rockwell C37 hardness offers excellent wear resistance, preserving thread integrity and drive features through repeated use.
• 19mm hex drive socket head allows for high-torque installation with standard tools, ensuring secure fastening and easy maintenance.
• Partially threaded 140mm design combines strong clamping force in the threaded section with smooth shank alignment, ideal for precision machinery.
• Compliance with DIN 912/ISO 4762 standards guarantees dimensional accuracy and interchangeability, streamlining procurement and assembly processes.

Professional Applications & Engineering Value

This M24 socket head cap screw is engineered for heavy-duty industrial applications where reliability is non-negotiable. The black-oxide alloy steel construction provides a durable barrier against rust and corrosion, making it suitable for outdoor equipment, automotive assemblies, and manufacturing machinery exposed to moisture or chemicals. Its Class 12.9 strength rating and coarse 3mm pitch metric thread ensure robust performance in high-vibration environments, such as construction equipment and power transmission systems. The partially threaded rod type design allows for precise clamping without thread interference, while the 19mm hex drive facilitates efficient installation in confined spaces. By meeting DIN 912/ISO 4762 specifications, this screw delivers consistent quality for OEM and MRO applications, reducing downtime and maintenance costs.

Specification Summary & Compliance

This screw features a M24 x 3mm coarse thread with Class 5g6g thread fit tolerance, ensuring precise engagement and alignment. It complies with DIN 912/ISO 4762 dimensional standards for socket head cap screws, guaranteeing interchangeability and reliability. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial use.