S-91440A625 6-32 x 5/8" ASME B18.6.3 Steel Round Head Combination Phillips/Slotted Screws
Steel Round Head Combination Phillips/Slotted 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
- Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Enhanced installation flexibility with dual Phillips/Slotted drive options accommodating various tool types
- Reliable thread engagement through fully threaded UNC coarse spacing design for faster assembly and secure fastening
- Consistent performance ensured by Class 2A thread fit maintaining precise dimensional accuracy across applications
- Exceptional durability with Rockwell B70 hardness providing resistance against wear and deformation
- Broad compatibility with standard 6-32 thread size and rounded head profile fitting common industrial requirements
- Regulatory confidence through compliance with ASME B18.6.3, RoHS 3, and REACH standards
Professional Applications & Engineering Value
This zinc-plated steel rounded head screw delivers critical engineering solutions for industrial assembly challenges. The combination of UNC coarse thread spacing and fully threaded design enables rapid installation while preventing cross-threading in high-volume production environments. The dual Phillips/Slotted drive system provides installation versatility for maintenance teams using different tool types. With Rockwell B70 hardness, these fasteners maintain structural integrity under vibration and load stress, making them ideal for machinery assembly, electrical enclosures, and equipment manufacturing where reliable fastening performance is essential for operational safety and reduced maintenance cycles.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance ensuring consistent performance across applications. The UNC thread form with coarse spacing (6-32) and 5/8" length provides standardized compatibility. Compliant with ASME B18.6.3 manufacturing specifications for dimensional accuracy and quality assurance. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) standards for restricted substances.
