S-90287A146 6-32 x 3/8" 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 performance under substantial mechanical stress
- Rockwell B70 hardness rating provides excellent durability and resistance to wear
- Class 2A thread fit offers optimal assembly clearance for efficient installation while maintaining secure fastening
- Fully threaded design maximizes grip strength and load distribution across the entire fastener length
- UNC coarse threading enables quick installation and reduced cross-threading risk in industrial applications
- One-way drive style provides tamper-resistant security for permanent installations
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws deliver exceptional engineering value across industrial applications where vibration resistance and long-term reliability are critical. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures these UNC threaded fasteners maintain integrity under continuous stress, while the zinc plating provides essential corrosion protection for machinery, electrical enclosures, and assembly line equipment. The coarse thread design and Class 2A fit enable rapid installation in production environments while minimizing the risk of thread damage. The rounded head profile offers a finished appearance while the one-way drive system provides tamper-resistant security for permanent installations in public access areas or sensitive equipment.
Specification Summary & Compliance
This 6-32 x 3/8" rounded head screw features precise Class 2A thread fit with UNC coarse threading and right-hand thread direction. Manufactured to ASME B18.6.3 specifications with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The fastener maintains dimensional accuracy with 0.26" head diameter, 0.103" head height, and fully threaded construction for consistent performance across industrial applications.
