S-91290A279 M27 x 120 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 12.9 rating and 170,000 psi tensile strength, ensuring reliable performance in high-stress applications.
• Superior corrosion resistance thanks to the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
• Precise and secure fastening with Class 5g6g thread fit and M27 x 3mm coarse thread, providing excellent grip and vibration resistance.
• Easy installation and removal using a standard 19 mm hex drive, allowing for efficient maintenance and assembly.
• Optimized load distribution from the 40 mm head diameter and partially threaded design, reducing the risk of material damage.
• High hardness and wear resistance with Rockwell C37, maintaining integrity under repeated use and heavy loads.
• Compliance with international standards including DIN 912/ISO 4762, RoHS 3, and REACH, ensuring safety and regulatory adherence.

Professional Applications & Engineering Value

This M27 socket head cap screw is engineered for demanding industrial settings where reliability is critical. Made from black-oxide alloy steel, it combats corrosion and wear in environments like heavy machinery, automotive assemblies, and construction equipment. The Class 12.9 strength and coarse metric thread with a 3 mm pitch ensure quick installation and robust holding power, minimizing loosening from vibrations. Its partially threaded design concentrates stress effectively, while the 19 mm hex drive simplifies torque application. Ideal for high-tensile applications, this fastener reduces maintenance downtime and enhances structural integrity, meeting rigorous engineering demands with precision.

Specification Summary & Compliance

This product features a metric thread size M27 x 3 mm with Class 5g6g thread fit for precise tolerance, adhering to DIN 912/ISO 4762 standards. It is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental and safety regulations are met. The specifications include a minimum thread length of 66 mm, overall length of 120 mm, and right-hand thread direction, designed for consistent performance in industrial fastening applications.