S-91239A150 M4 x 16 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional strength for demanding applications with Class 10.9 rating and 140,000 psi tensile strength, ensuring reliable performance under high stress.
• Superior corrosion resistance from the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
• Optimized for quick assembly thanks to the coarse 0.7 mm thread pitch and Class 6g fit, reducing installation time and effort.
• Secure and stable fastening with a fully threaded M4 design and rounded button head, providing consistent clamping force and a low-profile finish.
• Easy installation with standard tools using the 2.5 mm hex drive, allowing for high torque application without slippage.
• Enhanced durability and wear resistance from Rockwell C32 hardness, maintaining thread integrity through repeated use.
• Global compliance and safety assurance by meeting ISO 7380 standards and being RoHS 3 & REACH compliant for international projects.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this M4 x 0.7 mm Class 10.9 black-oxide alloy steel hex screw addresses critical needs for reliability and longevity. The fully threaded coarse pitch design ensures rapid, secure fastening in materials like metal and hardened plastics, minimizing the risk of cross-threading. Its high tensile strength and Rockwell C32 hardness prevent stripping and deformation under dynamic loads, making it ideal for machinery, automotive assemblies, and construction equipment. The black-oxide surface treatment provides a protective layer against oxidation and mild chemicals, reducing maintenance costs. Compliant with ISO 7380, it guarantees dimensional accuracy and interchangeability, streamlining procurement for global supply chains.

Specification Summary & Compliance

This metric screw features precise M4 x 0.7 mm coarse threads with Class 6g fit and a length of 16 mm, ensuring tight tolerances per ISO 7380. Manufactured from alloy steel with a rounded button head and 2.5 mm hex drive, it meets Class 10.9 strength grade requirements. The product is verified to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible and safe usage in various industries.