S-91870A147 M5 x 35 mm ASME B18.6.7M Tamper-Resistant Torx Stainless Steel Flat Head Screws

Key Features & Benefits at a Glance

• Enhanced tamper resistance with specialized T25 Torx drive prevents unauthorized access in high-security applications
• Superior corrosion resistance from 18-8 stainless steel construction ensures long-term reliability in harsh environments
• High tensile strength of 80,000 psi provides exceptional load-bearing capacity for demanding industrial applications
• Precision thread fit with Class 6g tolerance ensures consistent, reliable fastening and vibration resistance
• Full threading design maximizes engagement surface for stronger, more secure connections
• Industry-standard compliance with ASME B18.6.7M guarantees dimensional accuracy and interchangeability
• Environmental regulation compliance with RoHS 3 and REACH standards ensures safe, sustainable manufacturing

Professional Applications & Engineering Value

This M5 flat head screw with tamper-resistant Torx drive addresses critical security and reliability challenges in industrial settings. The 18-8 stainless steel composition provides exceptional resistance to corrosion and chemical exposure, making it ideal for outdoor equipment, marine applications, and harsh manufacturing environments. The flat head design with 90° countersink angle ensures flush mounting in precision assemblies, while the coarse thread pitch (0.8mm) facilitates quicker installation and superior holding power in various materials. The fully threaded configuration and Class 6g thread fit deliver consistent clamping force and vibration resistance, crucial for machinery, electronic enclosures, and public infrastructure where tampering prevention and long-term performance are paramount.

Specification Summary & Compliance

This metric fastener features precise M5 x 0.8mm coarse threading with Class 6g tolerance for optimal fit and performance. Manufacturing complies with ASME B18.6.7M standards for dimensional accuracy and mechanical properties. The screw meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety. With 35mm length and Rockwell B70 hardness, this security screw delivers reliable performance across industrial applications while maintaining full regulatory compliance.