S-90400A313 10-32 x 5/8" 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
- Superior vibration resistance with integrated spring lock washer that maintains clamp load under dynamic conditions
- Enhanced 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 B70 hardness for demanding applications
- Precise thread engagement with UNF fine threads and Class 2A fit ensuring reliable fastening in tapped holes
- Optimized drive efficiency featuring Phillips No. 2 drive for secure tool engagement and reduced cam-out
- Full-thread design providing maximum grip length and uniform stress distribution along the entire fastener
- Comprehensive compliance meeting ASME B18.13 specifications and environmental regulations including RoHS 3 & REACH
Professional Applications & Engineering Value
These 10-32 UNF fine thread screws with zinc-plated steel construction and integrated spring lock washers deliver exceptional engineering value in industrial settings where vibration loosening and corrosion are primary concerns. The combination of rounded pan head design and Phillips No. 2 drive enables efficient installation in confined spaces while maintaining high torque transmission. The fully threaded configuration ensures maximum thread engagement in pre-tapped holes, making these fasteners ideal for machinery assembly, electrical enclosures, and automotive components where vibration resistance and corrosion protection are critical for long-term reliability.
Specification Summary & Compliance
This fastener features precision 10-32 UNF fine threads with Class 2A tolerance for consistent fit in standard tapped holes. Manufacturing complies with ASME B18.13 specifications, ensuring dimensional accuracy and performance reliability. The product meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) regulations, confirming environmental responsibility in industrial supply chains.
