S-91263A862 M2.5 x 8 mm DIN 7991 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 alloy steel construction, providing reliable performance in demanding industrial environments
• Superior corrosion resistance through zinc plating, extending service life and reducing maintenance requirements
• Maximum holding power achieved through fully threaded M2.5 design with coarse 0.45mm pitch for secure fastening
• Precision installation enabled by hex drive design and 90° countersink angle for flush mounting in various applications
• High tensile strength of 120,000 psi ensures structural integrity under heavy loads and vibration
• Consistent performance guaranteed by Rockwell C32 hardness and Class 6g thread fit for precise mechanical assembly
• Regulatory compliance with DIN 7991 standards, RoHS 3, and REACH for global industrial acceptance

Professional Applications & Engineering Value

These M2.5 flat head screws deliver exceptional engineering value in precision mechanical assemblies where space constraints and structural integrity are critical. The zinc-plated alloy steel construction provides superior corrosion resistance for applications in electronics enclosures, machinery components, and automotive systems exposed to harsh environments. The fully threaded metric screw design with coarse 0.45mm pitch ensures maximum thread engagement and vibration resistance, while the 90° countersink angle allows for flush mounting in precision-machined surfaces. The Class 10.9 strength rating combined with Rockwell C32 hardness makes these hex drive screws ideal for high-stress applications requiring reliable fastening performance and dimensional stability under load.

Specification Summary & Compliance

This metric flat head screw features precise M2.5 x 0.45mm coarse thread with Class 6g tolerance, ensuring compatibility with standard metric components. Manufactured to DIN 7991 specifications with 8mm length and standard flat head profile. The fastener meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, confirming environmental safety and regulatory acceptance for industrial applications worldwide. The combination of precise threading, material strength, and regulatory compliance ensures reliable performance in professional engineering applications.