S-99355A210 10-24 x 1/2" ASME B18.3 Tamper-Resistant Asymmetrical-Drive Stainless Steel Button Head Screws
Tamper-Resistant Asymmetrical-Drive Stainless 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 corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
- Precision thread engagement with Class 2A fit UNC coarse threads ensuring secure fastening and vibration resistance
- Optimized drive performance featuring asymmetrical U10 drive for reduced cam-out and improved torque transmission
- Enhanced clearance profile with rounded button head design providing low-profile installation in confined spaces
- Full threading coverage along the 1/2" length for maximum grip strength and adjustment flexibility
- Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for global industrial applications
Professional Applications & Engineering Value
These 10-24 UNC coarse thread rounded head screws deliver critical engineering solutions where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel composition provides excellent protection against oxidation and chemical exposure in manufacturing, marine, and outdoor applications. The fully threaded design with Class 2A fit ensures consistent clamping force distribution, preventing loosening under vibration while the asymmetrical U10 drive reduces tool slippage during high-torque installations. The rounded button head profile offers a clean, low-profile finish that minimizes snagging in automated assembly lines and equipment housings. These screws are engineered to maintain integrity in demanding environments where fastener failure is not an option.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading specifications. Complies with ASME B18.3 manufacturing standards ensuring dimensional accuracy and performance reliability. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for restricted substance control. The 1/2" length and 10-24 thread size maintain consistent tolerances throughout production for reliable interchangeability in industrial assemblies.
