S-90317A529 M3 x 10 mm ASME B18.13.1M Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer

Key Features & Benefits at a Glance

• Superior vibration resistance with integrated external-tooth lock washer that maintains secure fastening in high-motion environments
• Excellent corrosion resistance through 18-8 stainless steel construction and passivated finish for extended service life in harsh conditions
• Reliable thread engagement with Class 6g thread fit ensuring precise mating and consistent clamping force
• High mechanical strength delivering 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
• Quick installation efficiency with Phillips No. 1 drive and pan head design providing optimal driver engagement
• Industry-standard compliance meeting ASME B18.13.1M specifications for guaranteed dimensional accuracy
• Environmental regulation adherence with RoHS 3 and REACH compliance for global market acceptance

Professional Applications & Engineering Value

This M3 pan head screw with integrated external-tooth lock washer addresses critical industrial fastening challenges where vibration-induced loosening compromises assembly integrity. The 18-8 stainless steel material combined with passivated finish provides exceptional corrosion resistance for applications in chemical processing, marine environments, and outdoor equipment. The Class 6g thread fit ensures precise engagement with mating components, while the coarse thread pitch facilitates rapid installation in production environments. Engineered for machinery, electrical enclosures, and automotive assemblies, these metric screws deliver reliable performance where thermal cycling and dynamic loads demand fastener stability. The Phillips drive design offers familiar installation while the lock washer system prevents back-off without requiring additional components.

Specification Summary & Compliance

This fastener features M3 x 0.5mm coarse threading with Class 6g tolerance for precision fitment. The 10mm length provides optimal engagement depth for standard applications. Manufacturing complies with ASME B18.13.1M standards ensuring dimensional accuracy and performance reliability. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming restriction of hazardous substances. The combination of 18-8 stainless steel screw and 410 stainless steel washer with passivated finish delivers consistent corrosion protection across the assembly.