S-90484A186 6-32 x 1" ASME B18.3, ASTM F835 Tamper-Resistant Hex-Drive Steel Button Head Screws
Tamper-Resistant Hex-Drive Steel Button Head 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 tamper resistance with specialized hex drive design for enhanced security in public or restricted access applications
- Exceptional corrosion protection through black-oxide coating that withstands harsh industrial environments
- Premium load-bearing capability with 130,000 psi tensile strength for heavy-duty fastening requirements
- Precision thread engagement through Class 3A fit ensuring reliable performance in critical assemblies
- Optimized installation efficiency with coarse UNC threading reducing cross-threading risks during assembly
- Enhanced durability from Rockwell C39 hardness maintaining structural integrity under repeated stress
- Full-threaded design providing consistent clamping force along the entire 1" length
Professional Applications & Engineering Value
These black-oxide alloy steel screws with 6-32 UNC coarse threading deliver critical performance advantages for industrial applications where vibration resistance and security are paramount. The tamper-resistant hex drive prevents unauthorized access in public infrastructure, electrical enclosures, and machinery guards, while the Class 3A thread fit ensures precise engagement in high-vibration environments. The fully threaded design maximizes pull-out strength in metal-to-metal fastening, and the black-oxide surface treatment provides reliable corrosion protection without compromising dimensional tolerances. Engineered for industrial screw applications requiring both security and durability, these rounded head screws solve common challenges of maintenance access control and environmental degradation in manufacturing, telecommunications, and transportation equipment.
Specification Summary & Compliance
Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit for superior dimensional accuracy. The 6-32 UNC coarse thread configuration ensures reliable performance in industrial applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, meeting the latest regulatory requirements for hazardous substance restrictions. The black-oxide alloy steel construction maintains 130,000 psi tensile strength and Rockwell C39 hardness throughout the fastener's service life.
