S-96880A242 4-40 x 5/8" ASME B18.6.3, FF-S-92, QQ-P-416, MS35206-218, NASM35206 Steel Pan Head Phillips Screws
Steel Pan Head Phillips Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance through cadmium plating for extended service life in demanding industrial environments
- Superior holding power with fully threaded design ensuring maximum engagement and vibration resistance
- High tensile strength rating of 60,000 psi provides reliable performance under significant mechanical stress
- Optimized drive efficiency with Phillips No. 1 drive for secure installation and reduced cam-out risk
- Precision thread fit with Class 2A UNC coarse threads enabling quick assembly and consistent fastening
- Broad compatibility meeting multiple industry standards including ASME B18.6.3 for assured quality
- Environmental compliance with RoHS 3 and REACH regulations for safe use in regulated applications
Professional Applications & Engineering Value
These 4-40 UNC coarse thread screws with cadmium-plated steel construction address critical industrial fastening challenges where corrosion resistance and mechanical reliability are paramount. The rounded pan head design with Phillips drive provides a low-profile, secure fastening solution for electronics enclosures, machinery panels, and aerospace components. The fully threaded configuration ensures maximum thread engagement across the entire 5/8" length, delivering superior resistance to vibration loosening in dynamic applications. With 60,000 psi tensile strength and Rockwell B69 hardness, these fasteners maintain structural integrity under sustained loads, while the Class 2A thread fit guarantees consistent installation torque and reliable performance in high-volume assembly operations.
Specification Summary & Compliance
This 4-40 UNC screw features precision Class 2A thread fit with coarse thread spacing for optimal engagement. Manufacturing complies with ASME B18.6.3 specifications and meets Fed. Spec. FF-S-92, QQ-P-416, MS35206-218, and NASM35206 standards. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring suitability for environmentally conscious industrial applications.
