S-91870A716 6-32 x 3/4" ASME B18.3 Tamper-Resistant Torx Plus Stainless Steel Flat Head Screws

Key Features & Benefits at a Glance

• Enhanced tamper-resistance with Torx Plus IPR15 drive for secure installations in high-risk environments
• Superior corrosion resistance from 18-8 stainless steel with passivated finish, ensuring longevity in harsh conditions
• Maximum holding power through full threading and Class 3A thread fit for reliable, vibration-resistant connections
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Flush, professional installation with standard 82° countersink angle flat head design
• Broad regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for global industrial use
• Optimized for security-critical assemblies combining tamper-resistant drive with right-hand UNC coarse threading

Professional Applications & Engineering Value

Engineered for security-focused industrial applications, this 6-32 UNC flat head screw addresses critical challenges in public infrastructure, machinery guarding, and electronic enclosures where unauthorized access poses significant risks. The tamper-resistant Torx Plus drive requires specialized tools, preventing disassembly while the 18-8 stainless steel construction with passivated finish delivers exceptional corrosion resistance in demanding environments. The Class 3A thread fit ensures precise engagement with mating components, reducing the likelihood of loosening under vibration. With full threading along the 3/4" length, it provides maximum grip strength in thin materials and assemblies requiring deep engagement. These security screws are particularly valuable in transportation, telecommunications, and industrial equipment where both durability and controlled access are paramount.

Specification Summary & Compliance

This fastener maintains precision Class 3A thread fit with UNC coarse threading and right-hand direction, manufactured to ASME B18.3 specifications for dimensional accuracy. The 82° countersink angle ensures proper seating in standard chamfered holes. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety, while mechanical properties including 70,000 psi tensile strength and Rockwell B70 hardness validate performance for critical fastening applications.