S-95345A554 8-32 x 1" ASME B18.13 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 clamping force in high-stress applications
• Excellent corrosion protection through 18-8 stainless steel construction and passivated finish for extended service life
• High tensile strength of 70,000 psi ensures reliable performance in demanding industrial environments
• Quick and efficient installation with coarse UNC threads and Class 2A fit for reduced assembly time
• Secure fastening solution combining Phillips No. 2 drive with pan head design for optimal torque transfer
• Full threading along the 1" length provides maximum engagement and holding power
• Comprehensive regulatory compliance meeting ASME B18.13 standards, RoHS 3, and REACH requirements

Professional Applications & Engineering Value

These 8-32 Phillips Pan Head Screws with external-tooth lock washers deliver exceptional engineering value in applications where vibration resistance and corrosion protection are critical. The combination of 18-8 stainless steel material and passivated finish creates a robust barrier against environmental factors, while the coarse UNC threads with Class 2A fit enable rapid installation without compromising joint integrity. The integrated external-tooth lock washer manufactured from 410 stainless steel provides permanent locking action, preventing loosening in machinery, electrical enclosures, and automotive assemblies. This design addresses common industrial challenges of fastener failure due to vibration and corrosion, ensuring long-term reliability in demanding operational conditions.

Specification Summary & Compliance

This fastener features precise UNC coarse threads with Class 2A fit ensuring proper engagement and dimensional accuracy. The assembly meets ASME B18.13 specifications for quality and performance standards. Regulatory compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements, confirming environmental safety and material restrictions adherence. The complete system incorporates a 1" fully threaded screw with 0.322" pan head diameter, paired with an external-tooth lock washer measuring 0.32" OD and 0.023" thickness, all manufactured to industrial-grade tolerances for consistent performance.