S-91290A896 M36 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 critical applications.
• Superior corrosion resistance from the Black-Oxide finish on Alloy Steel, extending service life in harsh industrial environments.
• High hardness rating (Rockwell C37) provides excellent wear resistance, maintaining thread integrity and drive engagement over repeated use.
• Precise Class 5g6g thread fit with coarse M36x4mm threading allows for faster assembly and secure fastening in a wide range of materials.
• Partially threaded design with 84mm thread length offers optimal grip and clamping force where full threading isn't required, improving joint stability.
• Standard hex drive (27mm) and socket head profile enable easy installation with common tools, reducing assembly time and labor costs.
• Compliance with DIN 912/ISO 4762 standards guarantees dimensional accuracy and interchangeability, ensuring compatibility with existing metric fastener systems.

Professional Applications & Engineering Value

This M36x4mm Class 12.9 Socket Head Cap Screw is engineered to address demanding industrial challenges where high clamp load and vibration resistance are critical. The Black-Oxide Alloy Steel construction provides enhanced durability against corrosion and wear, making it ideal for heavy machinery, automotive assemblies, and structural frameworks. The coarse metric thread and partial threading design ensure rapid installation and superior holding power in soft or brittle materials, reducing the risk of stripping. With its 170,000 psi tensile strength and precise Class 5g6g thread fit, this fastener minimizes loosening under dynamic loads, offering long-term reliability in construction, manufacturing, and equipment maintenance applications where safety and performance cannot be compromised.

Specification Summary & Compliance

This Socket Head Cap Screw features a M36x4mm coarse thread with Class 5g6g thread fit per ISO metric standards, ensuring precise dimensional tolerance. It is manufactured in compliance with DIN 912 / ISO 4762 specifications for socket head fasteners, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, confirming its suitability for use in environmentally conscious and global industrial markets.