S-91287A398 M12 x 70 mm ISO 4017, DIN 933 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel material, ensuring long-lasting performance in harsh industrial environments.
• High tensile strength of 100,000 psi provides reliable fastening for heavy-duty applications, reducing the risk of mechanical failure.
• Coarse 1.75mm pitch threading allows for quick and easy installation, saving time and labor costs in assembly processes.
• Class 6g thread fit ensures precise and secure connections, minimizing loosening under vibration and load.
• Fully threaded design offers consistent grip along the entire length, enhancing versatility across various material thicknesses.
• External hex drive with 19mm head width enables efficient torque application using standard tools, improving installation speed and reliability.
• Compliance with ISO 4017/DIN 933 standards guarantees interchangeability and quality, supporting global engineering specifications.

Professional Applications & Engineering Value

This M12 hex head screw is engineered to address common industrial challenges, such as corrosion-induced degradation and vibration loosening. Constructed from 18-8 stainless steel, it resists rust and chemical exposure, making it ideal for outdoor machinery, marine equipment, and chemical processing plants. The coarse metric thread with a 1.75mm pitch ensures rapid assembly in soft materials or where quick disassembly is needed, while the fully threaded design provides uniform stress distribution, reducing the risk of joint failure. With a high tensile strength and external hex drive, it delivers dependable performance in structural frameworks, automotive assemblies, and heavy machinery, where durability and ease of maintenance are critical for operational efficiency.

Specification Summary & Compliance

This product adheres to precise dimensional tolerances, including a Class 6g thread fit per metric standards, ensuring accurate and secure fastening. It meets ISO 4017 and DIN 933 specifications for hex head screws, providing consistency in manufacturing and application. Additionally, it is RoHS 3 (2015/863/EU) compliant with applicable exemptions and REACH (EC 1907/2006) compliant, confirming environmental safety and regulatory adherence for industrial use.