S-90402A829 10-32 x 1/2" 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 vibration resistance through integrated external-tooth lock washer that prevents loosening under dynamic loads
- Enhanced corrosion protection with zinc-plated steel construction for extended service life in demanding environments
- Optimized torque transmission with Phillips No. 2 drive and pan head design for secure fastening applications
- Precise thread engagement with UNF fine threads and Class 2A fit ensuring reliable performance in critical assemblies
- High mechanical strength delivering 60,000 psi tensile strength and Rockwell B69 hardness for heavy-duty applications
- Full-thread coverage along the 1/2" length provides 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 external-tooth lock washers address critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and electrical enclosures. The combination of UNF fine threads and Class 2A fit ensures precise alignment and consistent clamping force, while the Phillips pan head design facilitates efficient installation in confined spaces. The integrated locking mechanism maintains joint integrity under cyclic loading conditions, making these 10-32 screws ideal for applications requiring reliable fastening solutions that withstand operational stresses while maintaining RoHS 3 and REACH compliance for environmentally conscious manufacturing.
Specification Summary & Compliance
This 10-32 x 1/2" screw features Class 2A thread fit with UNF fine threading and right-hand thread direction. Manufactured to ASME B18.13 specifications with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations. The assembly includes zinc-plated steel construction throughout both screw and external-tooth lock washer components, ensuring consistent performance and regulatory adherence for industrial applications.
