S-91294A128 M3 x 8 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 10.9 rating and 120,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance thanks to black-oxide coating on alloy steel, extending service life in harsh industrial environments
• Precise flush mounting with standard 90° flat head profile that sits perfectly countersunk for smooth surface finishes
• Quick and secure installation using standard 2mm hex drive tools, reducing assembly time and preventing tool slippage
• Optimized thread engagement with M3 coarse threading (0.5mm pitch) providing superior holding power and vibration resistance
• Full thread coverage along the entire 8mm length ensures maximum grip strength and load distribution
• Global compliance assurance meeting DIN 7991/ISO 10642 standards plus RoHS 3 and REACH environmental regulations

Professional Applications & Engineering Value

These M3 flat head screws deliver exceptional engineering value in applications where high-strength fastening and flush surface requirements are critical. The black-oxide alloy steel construction provides superior corrosion protection while maintaining the Class 10.9 strength rating, making them ideal for machinery, automotive components, and industrial equipment subjected to heavy loads and vibrations. The fully threaded design with coarse metric threading ensures maximum thread engagement in various materials, while the 90° countersink angle guarantees perfect flush mounting in precision assemblies. The combination of Rockwell C32 hardness and 120,000 psi tensile strength provides reliable performance in high-stress environments where fastener failure is not an option.

Specification Summary & Compliance

These metric flat head screws feature precise Class 6g thread fit tolerance for consistent performance and easy installation. Manufactured to DIN 7991/ISO 10642 specifications, ensuring dimensional accuracy and interchangeability. The fasteners are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial applications. The right-hand thread direction and standard metric coarse threading (M3 x 0.5mm) provide reliable fastening performance across various engineering applications.