S-91239A756 M2.5 x 8 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 strength grade and 140,000 psi tensile strength, ensuring reliable performance under high-stress conditions.
• Superior corrosion resistance from the black-oxide coating on alloy steel, extending service life in harsh industrial environments.
• Easy and secure installation with a 1.5 mm hex drive and rounded button head design, reducing tool slippage and assembly time.
• Optimized thread engagement through fully threaded M2.5 coarse pitch (0.45 mm), providing strong holding power and vibration resistance.
• Precise fit and interchangeability due to Class 6g thread fit and compliance with ISO 7380 standards, minimizing installation errors.
• High hardness rating of Rockwell C32, offering excellent wear resistance and maintaining thread integrity over repeated use.
• Environmentally compliant with RoHS 3 and REACH regulations, ensuring safe use in global markets and sensitive applications.

Professional Applications & Engineering Value

This M2.5 metric rounded head screw is engineered to address common industrial challenges such as fastener failure due to vibration, corrosion, and high loads. The black-oxide alloy steel construction provides a protective layer that resists rust and oxidation, making it ideal for automotive, machinery, and electronic assemblies exposed to moisture or chemicals. With a coarse thread pitch and fully threaded design, it ensures rapid installation and superior grip in materials like metals and plastics, reducing the risk of loosening. The Class 10.9 strength and Rockwell C32 hardness deliver reliable performance in high-stress applications, while the hex drive allows for efficient torque application without stripping. By meeting ISO 7380 standards, it guarantees dimensional consistency and compatibility in global supply chains, streamlining procurement for B2B buyers.

Specification Summary & Compliance

This screw features precise Class 6g thread fit and metric coarse threading (M2.5 x 0.45 mm) for accurate assembly. It adheres to ISO 7380 manufacturing specifications, ensuring dimensional accuracy and performance reliability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety standards for industrial use.