S-91239A111 M3 x 6 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 140,000 psi from Class 10.9 alloy steel ensures reliable performance under high-stress conditions
• Superior corrosion resistance provided by black-oxide coating extends service life in demanding industrial environments
• Precise hex drive engagement with 2 mm drive size prevents stripping and enables efficient installation with standard tools
• Optimized thread design with M3 x 0.5 mm coarse pitch and full threading delivers maximum holding power and faster assembly
• Consistent dimensional accuracy maintained through Class 6g thread fit guarantees proper mating with standard nuts and components
• Enhanced durability with Rockwell C32 hardness provides excellent wear resistance for repeated use applications
• Streamlined rounded button head profile offers a low-profile finish while maintaining sufficient bearing surface

Professional Applications & Engineering Value

These high-strength metric hex screws deliver exceptional engineering value across industrial applications where reliability and precision are paramount. The black-oxide alloy steel construction provides superior corrosion protection in environments exposed to moisture, chemicals, or varying temperatures, significantly extending service life compared to standard steel fasteners. The fully threaded M3 x 0.5 mm coarse pitch design ensures maximum thread engagement and superior vibration resistance, making these button head screws ideal for machinery assembly, automotive components, and electronic enclosures where space constraints require a low-profile fastener. The Class 10.9 strength rating combined with precise ISO 7380 compliance guarantees consistent performance in critical applications, reducing the risk of fastener failure and maintenance downtime.

Specification Summary & Compliance

This metric screw features precise M3 x 0.5 mm coarse threading with Class 6g thread fit tolerance ensuring compatibility with standard metric components. Manufactured to ISO 7380 specifications for dimensional accuracy and performance consistency. The fastener meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) regulations regarding chemical safety, making it suitable for global industrial applications requiring environmental compliance.