S-90388A112 M3 x 8 mm ASME B18.3.4M, ISO 7380 Tamper-Resistant Torx Steel Button Head Screws

Key Features & Benefits at a Glance

• Enhanced tamper resistance with specialized Torx T8 drive design to prevent unauthorized access and vandalism in sensitive equipment
• Superior corrosion protection through black-oxide surface treatment on alloy steel, extending service life in demanding industrial environments
• Exceptional mechanical strength with 130,000 psi tensile strength and Rockwell C38 hardness for reliable performance under high stress conditions
• Precision thread engagement with Class 6g metric coarse threads ensuring secure fastening and vibration resistance in assembly applications
• Optimized head design featuring a low-profile button head that provides flush mounting while maintaining high torque capability
• Full regulatory compliance meeting ASME B18.3.4M and ISO 7380 standards for guaranteed dimensional accuracy and performance reliability
• Environmental safety assurance through RoHS 3 and REACH compliance, making them suitable for regulated industries and international markets

Professional Applications & Engineering Value

These M3 metric screws with tamper-resistant Torx drive address critical security and reliability challenges in industrial applications. The black-oxide alloy steel construction provides essential corrosion resistance for machinery, electronic enclosures, and outdoor equipment where environmental exposure is a concern. The specialized button head design offers a low-profile solution that prevents snagging while the fully threaded configuration ensures maximum grip length in thin materials. Engineering teams specify these fasteners for applications requiring both security features and consistent performance, particularly in automotive assemblies, telecommunications infrastructure, and public access equipment where vandalism prevention and long-term durability are paramount. The combination of high tensile strength and precise Class 6g thread fit delivers reliable clamping force maintenance even under vibration and thermal cycling conditions.

Specification Summary & Compliance

These metric fasteners feature precision M3 x 0.5 mm coarse threads with Class 6g tolerance for optimal fit and performance. Manufacturing strictly adheres to ASME B18.3.4M and ISO 7380 dimensional standards, ensuring interchangeability and reliability. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations guarantees they meet the latest international substance restriction requirements for industrial applications.