S-90317A607 M5 x 16 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 an integrated external-tooth lock washer that maintains secure fastening in high-motion environments
• Excellent corrosion resistance thanks to 18-8 stainless steel construction and passivated finish for long-lasting performance in harsh conditions
• High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness to withstand heavy loads and stress
• Reliable thread engagement with Class 6g thread fit and coarse 0.8mm pitch ensuring consistent performance and easy installation
• Secure anti-loosening protection from the 410 stainless steel lock washer that prevents backing out under dynamic loads
• Easy installation and removal with standard Phillips No. 2 drive that provides good torque transfer and accessibility
• Full compliance with industry standards including ASME B18.13.1M, RoHS 3, and REACH for quality assurance and regulatory compliance

Professional Applications & Engineering Value

These M5 metric screws with rounded pan head design and external-tooth lock washer deliver critical vibration resistance in demanding industrial applications. The combination of 18-8 stainless steel material and passivated finish provides exceptional corrosion protection for machinery, equipment, and outdoor installations exposed to moisture and chemicals. The fully threaded design with Class 6g thread fit ensures maximum thread engagement and holding power, while the coarse 0.8mm pitch facilitates quick assembly in production environments. These features make them ideal for vibration-prone applications in automotive assemblies, industrial machinery, electrical enclosures, and construction equipment where reliable, long-term fastening is essential.

Specification Summary & Compliance

This M5 x 0.8mm x 16mm screw features precision Class 6g thread fit with coarse spacing and right-hand threading. The assembly includes an external-tooth lock washer (10mm OD, 0.65mm thickness) manufactured from 410 stainless steel with passivated finish. All components meet ASME B18.13.1M specifications for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial applications.