S-91294A217 M5 x 30 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the black-oxide finish on alloy steel extends service life in harsh industrial environments.
• Precise Class 6g thread fit guarantees smooth installation and secure fastening, minimizing assembly time and errors.
• Fully threaded M5 coarse pitch design provides maximum grip and holding power across the entire length for stable connections.
• 90° countersink angle and flat head profile allow for flush mounting, enhancing aesthetics and safety in visible applications.
• Hex drive (3 mm) enables easy installation with standard tools, improving efficiency in repetitive assembly tasks.
• Compliance with DIN 7991/ISO 10642 standards ensures consistent quality and interoperability in global engineering projects.

Professional Applications & Engineering Value

This M5 flat head screw is engineered from black-oxide alloy steel with a Class 10.9 strength grade and Rockwell C32 hardness, making it ideal for demanding industrial applications such as machinery assembly, automotive components, and structural frameworks. The fully threaded coarse pitch (0.8 mm) and right-hand thread design ensure rapid installation and robust load distribution, addressing common issues like vibration loosening and material fatigue. With a 90° countersink angle, it provides a seamless finish in countersunk holes, reducing protrusion risks in tight spaces. Its hex drive compatibility with standard tools streamlines maintenance and upgrades, offering long-term reliability in heavy-duty environments where precision and durability are critical.

Specification Summary & Compliance

This fastener features a metric M5 x 0.8 mm coarse pitch thread with a Class 6g tolerance for precise fit, and a length of 30 mm. It meets DIN 7991 and ISO 10642 manufacturing specifications, ensuring dimensional accuracy and performance consistency. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, supporting sustainable and safe usage in various industries.