S-90402A150 6-32 x 5/8" ASME B18.13 Steel Pan Head Phillips Screws with External-Tooth Lock Washer
Steel Pan Head Phillips Screws with External-Tooth Lock Washer
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Vibration-resistant locking with integrated external-tooth lock washer prevents loosening under dynamic loads
- Superior corrosion protection through zinc-plated steel construction for extended service life in harsh environments
- High-strength performance with 60,000 psi tensile strength and Rockwell B69 hardness for demanding applications
- Optimized drive engagement with Phillips No. 2 drive for efficient installation and reduced cam-out risk
- Reliable thread engagement through UNC coarse threading and Class 2A fit for secure fastening in various materials
- Enhanced bearing surface with pan head design distributes clamping force evenly across assembled components
- Full-threaded design ensures maximum grip length and holding power throughout the entire fastener length
Professional Applications & Engineering Value
These zinc-plated steel Phillips pan head screws with external-tooth lock washers deliver critical vibration resistance in industrial assemblies where secure fastening is paramount. The combination of UNC coarse threading and Class 2A thread fit ensures reliable installation in various substrates while maintaining consistent clamping force. The fully threaded 6-32 configuration provides maximum engagement depth, making these rounded head screws ideal for machinery, electrical enclosures, and automotive components where vibration-induced loosening can compromise system integrity. The zinc plating offers essential corrosion protection, extending service life in environments exposed to moisture or chemical agents.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (6-32 thread size). Complies with ASME B18.13 specifications for mechanical fasteners. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) requirements, ensuring safe use in regulated industrial applications worldwide.
