S-92098A118 M2.5 x 5 mm DIN 551, ISO 4766 Set Screws

Key Features & Benefits at a Glance

• Exceptional Durability - Alloy steel construction with Rockwell B67 hardness provides superior resistance to wear and deformation in demanding applications
• Precise Thread Engagement - Class 6g thread fit ensures reliable, vibration-resistant fastening with consistent performance across mating components
• Optimized Space Utilization - Headless design allows for flush mounting in confined spaces while maintaining full fastening capability
• Quick Installation - Slotted drive style enables straightforward assembly and adjustment using standard screwdriver tools
• Reliable Coarse Thread Performance - 0.45mm pitch coarse threading provides excellent holding power and reduces cross-threading risks during installation
• Industry-Standard Compliance - Manufactured to DIN 551 and ISO 4766 specifications for guaranteed dimensional accuracy and interchangeability
• Environmental Responsibility - RoHS 3 and REACH compliance ensures safe usage in regulated industries and global markets

Professional Applications & Engineering Value

This M2.5 set screw delivers exceptional engineering value in precision assembly applications where space constraints and vibration resistance are critical concerns. The alloy steel composition, hardened to Rockwell B67, provides the necessary strength to prevent stripping and maintain clamping force under dynamic loads. The headless design with slotted drive allows for seamless integration in machinery, automotive components, and electronic enclosures where protruding fastener heads would interfere with operation. The coarse metric thread with 0.45mm pitch ensures rapid installation while the Class 6g thread fit guarantees precise engagement, effectively solving common industrial challenges of loosening due to vibration and thermal cycling. This combination of features makes it ideal for securing gears, pulleys, and collars in mechanical systems requiring reliable, long-term fastening solutions.

Specification Summary & Compliance

This metric set screw features M2.5 x 0.45mm coarse threading with Class 6g thread fit tolerance per ISO standards, ensuring dimensional precision and reliable performance. The 5mm length with flat tip design provides consistent surface contact for secure fastening. Manufacturing complies with DIN 551 and ISO 4766 specifications for dimensional accuracy and mechanical properties. The product fully meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) requirements for chemical safety, making it suitable for global industrial applications and regulated markets.