S-90317A410 M2.5 x 12 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 to maintain secure fastening in high-motion environments
• Excellent corrosion resistance from 18-8 stainless steel construction and passivated finish for extended service life in harsh conditions
• High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under load
• Secure and efficient installation with Phillips No. 1 drive and fully threaded design for quick assembly and maximum grip
• Precision thread fit with Class 6g tolerance and coarse 0.45mm pitch ensuring consistent engagement and reduced cross-threading risk
• Dual-material durability combining 18-8 stainless steel screw with 410 stainless steel washer for uniform corrosion protection
• Regulatory compliance assurance meeting ASME B18.13.1M standards and environmental regulations for global industrial use

Professional Applications & Engineering Value

These M2.5 metric screws with rounded pan head design and integrated external-tooth lock washer provide critical vibration-resistant fastening solutions for industrial equipment, electronic enclosures, and precision machinery. The 18-8 stainless steel construction with passivated finish delivers exceptional corrosion resistance in demanding environments, while the coarse thread pitch (0.45mm) and Class 6g thread fit ensure rapid assembly and reliable performance in high-volume manufacturing. The combination of 70,000 psi tensile strength and fully threaded design maximizes load distribution, making these Phillips drive screws ideal for applications requiring both security and accessibility in maintenance cycles.

Specification Summary & Compliance

This M2.5 x 0.45mm x 12mm fully threaded screw features Class 6g thread tolerance with coarse spacing and right-hand threading. Manufacturing complies with ASME B18.13.1M specifications for dimensional accuracy and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental regulation adherence for international industrial applications.