S-90484A263 10-32 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
- Enhanced tamper resistance with 5/32" tamper-resistant hex drive, preventing unauthorized removal in secure environments
- Superior corrosion protection from Black-Oxide coating on alloy steel, extending service life in demanding industrial conditions
- Precise thread engagement with Class 3A UNF fine threads, ensuring reliable fastening in high-vibration applications
- Exceptional mechanical strength with 130,000 psi tensile strength and Rockwell C39 hardness, supporting heavy-duty applications
- Optimized head design featuring a rounded button profile for reduced snagging and improved aesthetic integration
- Full-threaded construction providing maximum grip length and uniform stress distribution along the entire 1" length
- Regulatory compliance assurance meeting major industrial and environmental standards for global market acceptance
Professional Applications & Engineering Value
These 10-32 UNF Class 3A rounded head screws deliver critical performance advantages in industrial settings where security, precision, and durability are paramount. The Black-Oxide Alloy Steel construction provides excellent corrosion resistance for machinery, electronic enclosures, and outdoor equipment, while the tamper-resistant hex drive prevents unauthorized access in public infrastructure and security-sensitive installations. The UNF fine thread configuration maintains superior clamping force in high-vibration environments like automotive assemblies and industrial machinery. With fully threaded design and 130,000 psi tensile strength, these screws ensure reliable performance in critical applications where fastener failure is not an option.
Specification Summary & Compliance
Manufactured to Class 3A thread fit precision with UNF fine thread specifications (10-32 size, right-hand direction). Complies with ASME B18.3 and ASTM F835 manufacturing standards. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Features include: 1" length, 0.361" head diameter, 5/32" tamper-resistant hex drive, and Rockwell C39 hardness rating.
