S-91290A134 M5 x 110 mm DIN 912 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength for heavy loads with a tensile strength of 170,000 psi, ideal for high-stress industrial applications.
• Superior corrosion resistance due to the Black-Oxide finish on alloy steel, extending service life in harsh environments.
• High hardness and durability with Rockwell C37 hardness, reducing wear and maintaining thread integrity.
• Secure and precise fastening with a partially threaded design and Class 5g6g thread fit, minimizing loosening under vibration.
• Easy installation and removal using a standard 4 mm hex drive, compatible with common tools for efficient maintenance.
• Reliable performance in metric systems with M5 coarse threads (0.8 mm pitch), ensuring quick assembly and strong hold.
• Compliance with international standards including DIN 912, RoHS 3, and REACH, guaranteeing safety and environmental responsibility.

Professional Applications & Engineering Value

This Class 12.9 Socket Head Cap Screw is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and corrosion in demanding environments. Made from Black-Oxide Alloy Steel, it offers enhanced protection against rust and wear, making it suitable for machinery, automotive assemblies, and heavy equipment where reliability is paramount. The partially threaded design with a 22 mm thread length provides optimal grip and stress distribution, reducing the risk of joint failure. With a coarse thread pitch of 0.8 mm, it ensures rapid installation and high clamping force, while the hex drive allows for tight spaces and torque control. Ideal for applications requiring high tensile strength and metric compliance, this screw delivers long-term performance in construction, manufacturing, and engineering projects.

Specification Summary & Compliance

This product features precise metric thread dimensions with M5 size, 0.8 mm pitch, and Class 5g6g thread fit for accurate assembly. It adheres to DIN 912 standards for socket head cap screws, ensuring dimensional consistency and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety requirements for industrial use.