S-90373A125 M12 x 50 mm ISO 4017, DIN 933 Extreme-Strength Metric Class12.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• High hardness rating (Rockwell C39) provides superior wear resistance and extends service life in demanding environments.
• Fully threaded design offers consistent clamping force along the entire 50mm length, enhancing joint stability.
• Coarse thread pitch (1.75mm) allows for quicker installation and better resistance to vibration loosening in industrial settings.
• Precision Class 6g thread fit ensures smooth assembly and compatibility with standard metric nuts and tapped holes.
• Compliance with ISO 4017/DIN 933 standards guarantees dimensional accuracy and interchangeability for global engineering projects.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for international supply chains.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this M12 hex head screw delivers unmatched reliability where failure is not an option. The Class 12.9 steel construction, combined with a fully threaded metric coarse pitch design, addresses common challenges like vibration-induced loosening and high tensile loads. Its external hex drive facilitates easy installation with standard tools, while the right-hand thread ensures compatibility with conventional assembly processes. Ideal for machinery, automotive frames, and structural steel connections, this screw provides superior durability and precision threading that meet rigorous ISO 4017/DIN 933 specifications, making it a trusted choice for engineers seeking long-term performance in corrosive or high-stress environments.

Specification Summary & Compliance

This hex head screw features an M12 x 1.75mm coarse thread with a Class 6g thread fit per ISO metric standards, ensuring precise dimensional accuracy. It conforms to ISO 4017 and DIN 933 manufacturing specifications, with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for environmentally conscious and regulated industries.