S-91900A861 M6 x 12 mm ASTM F879M, ISO 7380 Tamper-Resistant Torx Stainless Steel Button Head Screws

Key Features & Benefits at a Glance

• Enhanced tamper resistance with specialized Torx T27 drive for superior security in public or high-risk environments
• Exceptional corrosion resistance through 18-8 stainless steel construction and passivated surface treatment
• Reliable thread engagement with full M6 x 1 mm coarse threading and Class 6g fit for consistent fastening performance
• Optimized head design featuring a 10.5 mm diameter rounded button head for reduced snagging and clean aesthetics
• High mechanical strength with 80,000 psi tensile strength and Rockwell B96 hardness for demanding applications
• Full regulatory compliance meeting ASTM F879M/ISO 7380 standards plus RoHS 3 and REACH environmental directives
• Versatile installation capability with 12 mm fully threaded length providing maximum holding power in various materials

Professional Applications & Engineering Value

These M6 metric screws with tamper-resistant Torx drive address critical security and durability challenges in industrial settings. The 18-8 stainless steel material combined with passivated finish provides exceptional resistance to corrosion and chemical exposure, making them ideal for harsh environments including outdoor equipment, marine applications, and food processing facilities. The rounded button head design minimizes protrusion while the T27 security drive prevents unauthorized access to sensitive equipment, public infrastructure, and electronic enclosures. With fully threaded coarse pitch configuration and Class 6g thread fit, these fasteners deliver reliable clamping force and vibration resistance in assembly lines, machinery, and transportation equipment where metric coarse thread specifications are required.

Specification Summary & Compliance

This rounded head screw features precise M6 x 1 mm metric coarse thread with Class 6g tolerance and full threading along the 12 mm length. Manufacturing complies with ASTM F879M and ISO 7380 standards, ensuring dimensional accuracy and performance reliability. The product meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) regulations regarding chemical safety, making them suitable for global industrial markets and environmentally conscious applications.