S-91294A002 M2 x 4 mm DIN 7991 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating, extending service life in harsh industrial environments.
• Exceptional tensile strength (120,000 psi) and Class 10.9 grade ensure reliable performance under high-stress applications.
• Precise Class 6g thread fit guarantees smooth installation and secure fastening without cross-threading.
• Hex drive design (1.3mm) provides high torque transmission and reduces tool slippage during assembly.
• 90° countersink angle and flat head enable flush mounting for a clean, professional finish.
• Full threading and coarse pitch (0.4mm) allow for faster driving and stronger holding power in various materials.
• Compliance with DIN 7991, RoHS 3, and REACH ensures adherence to international quality and safety standards.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these M2 flat head screws deliver outstanding reliability in machinery, automotive assemblies, and electronic enclosures. The black-oxide alloy steel construction provides enhanced durability and resistance to wear, while the Class 10.9 strength rating ensures they withstand vibrational forces and heavy loads. The fully threaded design and coarse metric thread facilitate quick installation in metals and plastics, reducing assembly time. With a hex drive and standardized 90° countersink, these screws offer seamless integration where a low-profile, high-strength fastener is critical, minimizing the risk of head stripping and improving overall structural integrity.

Specification Summary & Compliance

This M2 x 0.4mm screw features a Class 6g thread fit per ISO standards, ensuring dimensional accuracy and compatibility. It meets DIN 7991 specifications for flat head fasteners and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for global industrial use.