S-91900A650 3/8"-16 x 3/4" ASME B18.3 Tamper-Resistant Torx Stainless Steel Button Head Screws

Key Features & Benefits at a Glance

• Superior tamper-resistance with T45 Torx drive prevents unauthorized access in high-security environments
• Exceptional corrosion resistance through 18-8 stainless steel construction and passivated surface treatment
• Precise thread engagement with Class 3A thread fit ensures reliable fastening in demanding applications
• Maximum load-bearing capacity with 70,000 psi tensile strength and Rockwell B70 hardness rating
• Enhanced durability from fully threaded design provides consistent holding power across the entire fastener length
• Industry-standard compliance meeting ASME B18.3 specifications for guaranteed performance and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

These 18-8 stainless steel rounded head screws deliver critical security and reliability in industrial settings where tampering prevention and environmental resistance are paramount. The tamper-resistant T45 Torx drive system provides superior torque transmission while deterring unauthorized access in public infrastructure, machinery guards, and electronic enclosures. The passivated finish enhances the natural corrosion resistance of stainless steel, making these fully threaded screws ideal for outdoor equipment, marine applications, and chemical processing facilities. With UNC coarse threads and Class 3A thread fit, these fasteners ensure quick installation and vibration resistance in heavy machinery, transportation equipment, and structural assemblies where reliability cannot be compromised.

Specification Summary & Compliance

This 3/8"-16 x 3/4" screw features precision UNC coarse threads with Class 3A thread fit for superior engagement and holding power. Manufactured to exacting ASME B18.3 standards for dimensional consistency and performance reliability. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. The combination of 70,000 psi tensile strength and Rockwell B70 hardness provides exceptional mechanical performance for the most demanding industrial screw applications.