S-90402A152 6-32 x 7/8" 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 with integrated external-tooth lock washer that prevents loosening under dynamic loads
- Enhanced corrosion protection through zinc-plated steel construction for extended service life in harsh environments
- Maximum driving efficiency with Phillips No. 2 drive and pan head design for secure tool engagement
- Reliable thread engagement through Class 2A thread fit and coarse UNC threading for quick assembly
- Exceptional mechanical strength with 60,000 psi tensile strength and Rockwell B69 hardness for heavy-duty applications
- Permanent fastening solution with fully threaded design that maintains clamping force throughout the entire length
- Simplified inventory management with compliance to multiple industry standards including ASME B18.13
Professional Applications & Engineering Value
These zinc-plated steel pan head screws with external-tooth lock washers address critical vibration-induced loosening in industrial equipment, machinery, and commercial assemblies. The combination of 6-32 UNC coarse threading and Class 2A thread fit ensures rapid installation while maintaining precise tolerances. The integrated locking mechanism provides permanent fastening without requiring additional components, reducing assembly time and preventing maintenance issues. The fully threaded design distributes clamping force evenly, making these rounded head screws ideal for applications where vibration resistance and reliable performance are paramount, from manufacturing equipment to electrical enclosures.
Specification Summary & Compliance
This 7/8" length screw features Class 2A thread fit with UNC coarse threading and right-hand thread direction. Manufacturing complies with ASME B18.13 specifications for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety standards.
