S-90277A191 8-32 x 5/16" ASME B18.6.3 Steel Binding Head Slotted Screws
Steel Binding Head 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 harsh environments
- Exceptional holding power with 60,000 psi tensile strength and Rockwell B69 hardness for reliable fastening under stress
- Quick installation and removal with slotted drive design and right-hand UNC coarse threading
- Secure binding capability with wide rounded head profile that resists counterbore pull-through
- Consistent thread engagement with Class 2A thread fit and fully threaded design for uniform load distribution
- Broad industrial compatibility with 8-32 UNC thread size meeting common equipment specifications
- Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws with 8-32 UNC coarse threading deliver critical performance in demanding industrial applications. The binding head style with wide profile provides excellent surface contact, preventing pull-through in softer materials while the slotted drive enables quick installation with standard tools. The fully threaded design ensures maximum engagement depth, making them ideal for electronic enclosures, machinery guards, and assembly fixtures where vibration resistance is crucial. With 60,000 psi tensile strength and Rockwell B69 hardness, these fasteners maintain integrity under mechanical stress while the zinc plating offers essential corrosion protection for industrial environments. The combination of Class 2A thread fit and standardized dimensions ensures consistent performance across production runs.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit for consistent engagement and 8-32 UNC coarse threading for rapid assembly. These rounded head screws comply with ASME B18.6.3 specifications for dimensional accuracy and performance. The products are fully compliant with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations, ensuring they meet current industrial safety and environmental standards for global supply chain integration.
