S-90400A222 10-32 x 3/4" ASME B18.13 Steel Pan Head Phillips Screws with Spring Lock Washer
Steel Pan Head Phillips Screws with Spring 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
- Enhanced vibration resistance through the integrated spring lock washer that maintains clamping force under dynamic loads
- Superior corrosion protection with zinc-plated steel construction for extended service life in harsh environments
- High-strength performance with 60,000 psi tensile strength and Rockwell B70 hardness for demanding applications
- Precise thread engagement with Class 2A UNF fine threads ensuring reliable fastening and consistent torque values
- Optimized drive efficiency with Phillips No. 2 drive providing secure tool engagement and reduced cam-out risk
- Full-thread coverage along the 3/4" length for maximum grip and load distribution
- Regulatory compliance meeting ASME B18.13 standards and environmental regulations for global industrial use
Professional Applications & Engineering Value
These zinc-plated steel screws with integrated spring lock washers provide critical solutions for industrial applications where vibration-induced loosening compromises assembly integrity. The combination of UNF fine threading and Class 2A thread fit ensures precise engagement in machinery, electrical enclosures, and automotive components, while the Phillips pan head design offers low-profile fastening with excellent drive transfer. The spring lock washer actively counters vibrational forces that typically cause fastener failure, making these 10-32 screws ideal for production equipment, transportation systems, and heavy machinery where reliability is paramount. The zinc plating provides essential corrosion resistance, extending service life in demanding environments without sacrificing the 60,000 psi tensile strength required for structural applications.
Specification Summary & Compliance
Manufactured to exacting ASME B18.13 specifications with Class 2A thread fit tolerance for consistent performance. Features UNF 10-32 fine threading with right-hand direction and full threading along the 3/4" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The spring lock washer component maintains identical zinc-plated steel construction for uniform corrosion protection throughout the assembly.
