S-91440A195 8-32 x 1/2" 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
- Exceptional mechanical strength with 60,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
- Reliable thread engagement with Class 2A thread fit ensuring consistent performance and vibration resistance
- Dual-drive versatility featuring Phillips/Slotted head for flexible installation with standard tools
- Optimized load distribution through rounded head design that minimizes surface stress and material damage
- Full-threaded design providing maximum grip length and superior holding power across the entire fastener
- Regulatory compliance assurance meeting ASME B18.6.3 standards for dimensional accuracy and performance reliability
Professional Applications & Engineering Value
These 8-32 UNC zinc-plated steel rounded head screws deliver critical engineering solutions for industrial assembly challenges. The coarse thread configuration provides excellent engagement in various materials, while the zinc plating creates a protective barrier against corrosion in harsh operating conditions. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures these fasteners maintain integrity under substantial mechanical stress, making them ideal for machinery, equipment manufacturing, and structural applications where vibration resistance and long-term reliability are paramount. The Phillips/Slotted drive system offers installation flexibility, reducing assembly time and tooling requirements in production environments.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC coarse threading (8-32 size) and 1/2" length. These screws conform to ASME B18.6.3 dimensional and mechanical specifications, ensuring interchangeability and performance consistency. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and restricted substance adherence for global industrial applications.
