S-90402A842 10-32 x 1 1/2" ASME B18.13 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 environments
• Enhanced corrosion protection through zinc-plated steel construction for extended service life in industrial conditions
• Precise thread engagement with UNF fine pitch and Class 2A fit ensuring reliable fastening in critical applications
• Optimized drive transfer with Phillips No. 2 drive providing secure tool engagement and reduced cam-out risk
• Maximum tensile performance delivering 60,000 psi strength with Rockwell B69 hardness for heavy-duty fastening requirements
• Full-thread design offering consistent holding power along the entire 1-1/2" length for versatile installation
• Regulatory compliance meeting ASME B18.13 standards and environmental regulations for global industrial applications

Professional Applications & Engineering Value

These zinc-plated steel pan head screws with integrated external-tooth lock washers provide engineered solutions for vibration-prone industrial environments. The UNF fine thread configuration (10-32) ensures superior thread engagement in metal assemblies, while the Class 2A thread fit maintains precise tolerances for consistent performance. The combination of 60,000 psi tensile strength and Rockwell B69 hardness delivers reliable fastening in machinery, equipment manufacturing, and automotive applications where vibration resistance is critical. The fully threaded design allows for maximum adjustability and holding power, making these rounded head screws ideal for assemblies requiring repeated maintenance or adjustment cycles.

Specification Summary & Compliance

This 10-32 x 1-1/2" screw features Class 2A thread fit with UNF fine pitch threading and full thread coverage. Manufacturing specifications comply with ASME B18.13 standards for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations for environmental safety. The external-tooth lock washer provides secure locking action while maintaining the corrosion protection of the zinc-plated steel construction throughout the fastener assembly.