S-91440A163 6-32 x 4" 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 through dual Phillips/Slotted drive compatibility, accommodating various tool options
- Reliable thread engagement with fully threaded UNC coarse spacing ensuring secure fastening in diverse materials
- Consistent performance under load backed by 60,000 psi tensile strength and Rockwell B70 hardness rating
- Precision manufacturing with Class 2A thread fit providing optimal assembly compatibility and reduced cross-threading risks
- Broad industrial compliance meeting ASME B18.6.3 specifications for quality assurance in professional applications
- Environmental responsibility through RoHS 3 and REACH compliance, ensuring safe usage across regulated industries
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws deliver exceptional engineering value for industrial assembly applications where corrosion resistance and mechanical reliability are paramount. The combination of UNC coarse threading and Class 2A fit ensures rapid installation with minimal binding in metal, plastic, and composite materials. The dual-drive Phillips/Slotted system provides installation versatility for maintenance and production environments, while the fully threaded design maintains consistent clamping force across the entire 4" length. Engineered to withstand vibration and mechanical stress with 60,000 psi tensile strength, these fasteners solve critical challenges in electrical enclosures, machinery assembly, and structural frameworks where long-term performance cannot be compromised.
Specification Summary & Compliance
This 6-32 x 4" rounded head screw features precision UNC coarse threads with Class 2A dimensional tolerance for reliable fit and function. Manufactured to ASME B18.6.3 specifications for consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across global industrial markets. The zinc-plated steel construction provides corrosion protection while maintaining the mechanical properties required for demanding applications.
