S-96669A221 10-24 x 1/2" ASME B18.3 Sealing Tamper-Resistant Torx Flat Head Screws

Key Features & Benefits at a Glance

• Superior tamper resistance with Torx T25 drive for enhanced security in public or restricted access applications
• Reliable high-pressure sealing up to 1500 psi with integrated Buna-N rubber O-ring for leak-proof performance
• Exceptional corrosion resistance through 18-8 stainless steel construction and passivated surface treatment
• Wide temperature tolerance from -40°F to 225°F maintains sealing integrity across diverse operating environments
• Optimized flush mounting with undercut flat head design for seamless installation in countersunk applications
• Precise thread engagement with UNC coarse threading and Class 2A fit ensures consistent fastening performance
• Full regulatory compliance meeting ASME B18.3 standards and environmental regulations for global deployment

Professional Applications & Engineering Value

Engineered for demanding industrial sealing applications, these 10-24 UNC flat head screws solve critical leakage challenges in pressurized systems. The combination of 18-8 stainless steel material with passivated finish provides exceptional corrosion resistance in harsh environments, while the integrated Buna-N rubber O-ring creates a reliable seal against fluids and gases. The tamper-resistant Torx T25 drive prevents unauthorized access in public infrastructure, transportation, and security equipment. The undercut flat head profile ensures proper seating in countersunk holes, making these sealing screws ideal for hydraulic systems, pneumatic equipment, and outdoor enclosures where environmental protection and security are paramount.

Specification Summary & Compliance

This 1/2" length screw features 10-24 UNC coarse threads with Class 2A thread fit for precise dimensional accuracy. Manufactured to ASME B18.3 specifications with fully threaded design and 82° countersink angle. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The Buna-N O-ring material maintains performance across the specified temperature range while supporting the 1500 psi maximum pressure rating for reliable sealing capability.