S-90402A200 8-32 x 1" ASME B18.13 Steel Pan Head Phillips Screws with External-Tooth Lock Washer
Steel Pan Head Phillips Screws with External-Tooth Lock Washer
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
- Exceptional vibration resistance through integrated external-tooth lock washer that prevents loosening under dynamic loads
- High-strength performance with 60,000 psi tensile strength and Rockwell B69 hardness for demanding applications
- Reliable thread engagement with UNC coarse spacing and Class 2A fit ensuring consistent fastening performance
- Optimized drive efficiency through Phillips No. 2 drive design for secure tool engagement and reduced cam-out
- Full-thread coverage along the 1" length provides maximum holding power across the entire fastener
- Comprehensive compliance meeting ASME B18.13 standards and environmental regulations for global industrial use
Professional Applications & Engineering Value
These zinc-plated steel pan head screws with external-tooth lock washers deliver critical vibration resistance in machinery, electrical enclosures, and automotive assemblies where UNC coarse threads provide rapid installation and Class 2A thread fit ensures consistent clamping force. The fully threaded 8-32 design maximizes surface contact while the integrated locking washer eliminates the need for separate anti-vibration components, reducing assembly time and preventing costly equipment downtime. Engineered for industrial applications requiring reliable fastening under continuous stress, these screws maintain 60,000 psi tensile strength while the zinc plating protects against corrosion in demanding environments.
Specification Summary & Compliance
This 8-32 x 1" pan head screw features Class 2A thread fit with UNC coarse spacing and full threading. Manufactured to ASME B18.13 specifications with zinc-plated steel construction, Rockwell B69 hardness, and 60,000 psi tensile strength. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
