S-90287A148 6-32 x 1/2" ASME B18.6.3 Tamper-Resistant One-Way-Drive Steel Round Head Screws
Tamper-Resistant One-Way-Drive Steel Round 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 corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- High tensile strength of 60,000 psi ensures reliable fastening under substantial mechanical loads
- Rockwell B70 hardness provides excellent durability and resistance to wear during installation
- Class 2A thread fit offers optimal assembly clearance while maintaining secure connections
- UNC coarse threading enables faster installation and reduced cross-threading risks
- Fully threaded design delivers maximum grip length and uniform load distribution
- One-way drive style provides tamper-resistant security for permanent installations
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws deliver exceptional performance in industrial assembly applications where corrosion resistance and high tensile strength are critical. The UNC coarse thread design significantly reduces installation time while preventing cross-threading issues in production environments. With fully threaded construction and Class 2A thread fit, these fasteners ensure consistent clamping force across the entire engagement length, making them ideal for electrical enclosures, machinery guards, and automated equipment where vibration resistance and long-term reliability are essential. The rounded head profile provides a finished appearance while the one-way drive offers tamper-proof security for permanent installations.
Specification Summary & Compliance
This 6-32 x 1/2" rounded head screw features precision UNC coarse threading with Class 2A thread fit tolerance for optimal assembly performance. Manufactured to meet ASME B18.6.3 specifications, ensuring dimensional accuracy and interchangeability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial applications requiring restricted substance compliance.
