S-90403A830 10-32 x 5/8" ASME B18.13 Steel Pan Head Phillips Screws with Internal-Tooth Lock Washer
Steel Pan Head Phillips Screws with Internal-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
- Enhanced Vibration Resistance: Integrated internal-tooth lock washer provides superior locking action, preventing loosening in high-vibration industrial environments.
- Exceptional Corrosion Protection: Zinc-plated steel construction offers reliable defense against rust and corrosion, extending service life in demanding conditions.
- Optimized Drive Engagement: Phillips No. 2 drive ensures efficient torque transfer and reduces the risk of cam-out during installation.
- High Tensile Strength: With a rating of 60,000 psi, this screw delivers robust clamping force and reliable performance under significant load.
- Precision Thread Fit: Class 2A UNF fine threads provide a secure, tight fit with excellent engagement in tapped holes or nuts.
- Versatile Fastening Solution: Fully threaded 5/8" length and rounded pan head design allow for consistent holding power and a low-profile finish.
- Comprehensive Compliance: Meets ASME B18.13 specifications and is compliant with RoHS 3 and REACH, ensuring material safety and regulatory adherence.
Professional Applications & Engineering Value
This 10-32 UNF screw is engineered to address critical challenges in assembly and maintenance, where vibration resistance and reliable fastening are paramount. The zinc-plated steel material provides a durable, corrosion-resistant base, ideal for use in machinery, electrical enclosures, and automotive components exposed to harsh conditions. The combination of a Phillips drive and an internal-tooth lock washer ensures easy installation and maintains clamp load, preventing joint failure in dynamic applications. With its fine thread and Class 2A fit, it offers precise engagement, reducing the risk of cross-threading and ensuring a secure, long-lasting connection in industrial fastening scenarios.
Specification Summary & Compliance
This screw features a 10-32 UNF thread with a Class 2A fit for consistent dimensional accuracy. It is manufactured in compliance with ASME B18.13 standards and adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environments with strict material and safety requirements.
