S-91900A247 10-24 x 1" ASME B18.3 Tamper-Resistant Torx Stainless Steel Button Head Screws

Key Features & Benefits at a Glance

• Superior tamper resistance with T25 Torx drive design, preventing unauthorized access in high-security environments
• Exceptional corrosion resistance through 18-8 stainless steel construction and passivated finish for long-term reliability
• Maximum thread engagement with full UNC threading and Class 3A fit ensuring vibration-resistant, precise fastening
• High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Optimized installation efficiency through coarse thread spacing and right-hand threading for faster assembly
• Reduced head profile interference with rounded button head design for flush mounting in confined spaces
• Regulatory compliance assurance meeting ASME B18.3 standards and environmental regulations

Professional Applications & Engineering Value

These 10-24 UNC fully threaded rounded head screws deliver critical security and durability advantages for industrial applications where tampering prevention and environmental resistance are paramount. The 18-8 stainless steel core with passivated finish provides exceptional protection against corrosion in harsh operating conditions, while the tamper-resistant T25 Torx drive ensures only authorized personnel can access sensitive equipment. The Class 3A thread fit and coarse thread spacing enable rapid installation with superior vibration resistance, making these security screws ideal for electrical enclosures, machinery guards, public infrastructure, and transportation equipment where reliability cannot be compromised.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 3A thread fit and UNC thread form ensuring interchangeability and reliable performance. These screws conform to ASME B18.3 specifications for dimensional accuracy and mechanical properties. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations guarantees safe use across various industries. The combination of 70,000 psi tensile strength and Rockwell B70 hardness provides consistent performance under demanding conditions.