S-91900A916 10-24 x 1 3/4" ASME B18.3 Tamper-Resistant Torx Stainless Steel Button Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• Enhanced security and tamper resistance through specialized Torx T25 drive that prevents unauthorized removal
• Reliable thread engagement with Class 3A precision fit ensuring consistent performance in critical assemblies
• Maximum fastening strength delivering 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Complete thread coverage with fully threaded design providing uniform clamping force along the entire 1-3/4" length
• Streamlined installation featuring rounded button head profile that reduces snagging and improves aesthetics
• Industry compliance assurance meeting ASME B18.3 specifications and environmental regulations including RoHS 3 and REACH

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 18-8 stainless steel rounded head screws combine material excellence with precision manufacturing to solve critical fastening challenges. The passivated finish significantly enhances corrosion resistance in moisture-prone applications, while the tamper-resistant Torx T25 drive provides secure installation in public access equipment, machinery guards, and security panels. The Class 3A thread fit and UNC coarse threading ensure rapid assembly with minimal cross-threading risk, making them ideal for production lines requiring efficiency and reliability. With 70,000 psi tensile strength, these fully threaded fasteners maintain integrity under vibration and dynamic loads in automotive, electronics, and industrial machinery applications where consistent clamping force is essential.

Specification Summary & Compliance

This 10-24 UNC screw features precision Class 3A thread fit with coarse thread spacing and right-hand threading. Manufacturing complies with ASME B18.3 standards for dimensional accuracy and performance. The product meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring safe use across various industrial sectors. All specifications including the 1-3/4" length, 0.361" head diameter, and fully threaded design are manufactured to exacting quality standards.