S-91290A270 M5 x 65 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 in high-stress and heavy-duty applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the Black-Oxide finish on Alloy Steel, extending service life in harsh industrial environments.
• High hardness rating of Rockwell C37 provides excellent wear resistance and durability, maintaining thread integrity over repeated use.
• Partially threaded design with 22mm minimum thread length allows for precise clamping force and secure fastening in assemblies requiring controlled engagement.
• Standard 4mm hex drive and socket head enables easy installation and removal with common tools, minimizing assembly time and effort.
• Compliance with DIN 912/ISO 4762 standards guarantees dimensional accuracy and interchangeability, ensuring consistent quality in metric fastener systems.
• RoHS 3 and REACH compliant construction supports environmental and safety regulations, making it suitable for global industrial supply chains.

Professional Applications & Engineering Value

This M5 x 0.8mm coarse thread Socket Head Cap Screw is engineered from Black-Oxide Alloy Steel to address critical challenges in industrial settings, such as vibration loosening and corrosion-induced degradation. The Class 12.9 strength rating and Rockwell C37 hardness ensure it withstands extreme mechanical loads, making it ideal for heavy machinery, automotive assemblies, and precision equipment. The partially threaded configuration with a right-hand thread provides optimal grip in tapped holes, reducing stress concentration and improving joint reliability. By meeting DIN 912/ISO 4762 specifications, it offers consistent performance in metric-based engineering projects, enhancing efficiency and reducing maintenance downtime.

Specification Summary & Compliance

This screw features an M5 thread size with a 0.8mm coarse pitch and Class 5g6g thread fit for precise tolerance per ISO standards. The dimensions include a head diameter of 8.5mm, length of 65mm, and a minimum thread length of 22mm, adhering to DIN 912/ISO 4762 manufacturing norms. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for rigorous industrial applications.