S-90251A303 M2.5 x 5 mm DIN 916, ISO 4029 Set Screws

Key Features & Benefits at a Glance

• Superior vibration resistance with nylon patch thread locker that maintains secure fastening even under dynamic loads
• Excellent corrosion resistance thanks to 18-8 stainless steel construction for long-term reliability in harsh environments
• Precise installation and removal with hex drive design providing positive torque transmission and reduced tool slippage
• Wide temperature compatibility with thread locker performing reliably from -50° to 250°F (-45° to 121°C)
• Consistent thread engagement through Class 6g thread fit ensuring proper mating with corresponding threaded components
• Enhanced material hardness at Rockwell B80 providing excellent resistance to wear and deformation
• Space-saving headless design allowing flush mounting in applications where clearance is limited

Professional Applications & Engineering Value

This M2.5 nylon patch locking set screw delivers exceptional engineering value in applications where vibration resistance is critical. The 18-8 stainless steel construction provides superior corrosion resistance while maintaining the Rockwell B80 hardness needed for repeated installation cycles. The hex drive design ensures reliable torque transmission without cam-out, and the cup tip configuration offers positive seating on shaft surfaces. Particularly valuable in precision assemblies, automotive components, and industrial machinery, this metric set screw prevents loosening under dynamic conditions while the Class 6g thread fit guarantees consistent performance across production runs. The combination of DIN 916/ISO 4029 standardization with advanced locking technology makes this fastener ideal for maintenance-critical applications.

Specification Summary & Compliance

This precision fastener features Class 6g thread fit tolerance according to metric standards, ensuring dimensional accuracy and reliable performance. Manufactured to DIN 916 and ISO 4029 specifications, the set screw maintains consistent quality across production batches. The product is fully compliant with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations, meeting the latest substance restriction requirements for industrial applications worldwide.