S-91290A148 M4 x 12 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Class 12.9 alloy steel, ensuring high load-bearing capacity and resistance to failure in demanding applications.
• Superior corrosion resistance provided by the black-oxide coating, extending service life in harsh or humid industrial environments.
• Precise and secure installation using a standard 3 mm hex drive, allowing for high torque application and reducing the risk of tool slippage.
• Optimal thread engagement and holding power due to the fully threaded M4 x 0.7 mm coarse pitch design, facilitating quick assembly and strong fastening.
• Consistent dimensional accuracy with Class 5g6g thread fit, ensuring reliable interchangeability and ease of use in metric assemblies.
• High durability under stress from a tensile strength of 170,000 PSI and Rockwell C37 hardness, making it suitable for high-vibration and heavy-duty applications.
• Compliance with international standards including DIN 912/ISO 4762, RoHS 3, and REACH, guaranteeing quality, safety, and environmental responsibility.

Professional Applications & Engineering Value

This M4 socket head cap screw is engineered to address critical challenges in industrial and mechanical systems where high tensile strength and corrosion resistance are paramount. Made from Class 12.9 alloy steel with a black-oxide coating, it effectively combats wear and environmental degradation, reducing maintenance needs in machinery, automotive, and construction applications. The fully threaded metric coarse thread (0.7 mm pitch) ensures rapid, secure fastening in high-vibration settings, while the 3 mm hex drive allows for precise torque control. Ideal for industrial fasteners in assemblies requiring reliable performance under stress, this screw minimizes downtime and enhances operational efficiency by meeting rigorous DIN 912/ISO 4762 specifications.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including Class 5g6g thread fit for metric assemblies, and is manufactured in compliance with DIN 912/ISO 4762 specifications. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use. The screw features a fully threaded, right-hand metric coarse thread (M4 x 0.7 mm) and is designed for consistent performance in high-strength applications.