S-91900A827 10-32 x 3/8" ASME B18.3 Tamper-Resistant Torx Stainless Steel Button Head Screws

Key Features & Benefits at a Glance

• Superior tamper resistance with Torx T25 drive prevents unauthorized removal in high-security environments
• Exceptional corrosion resistance through 18-8 stainless steel construction and passivated finish for long service life
• Precise thread engagement with Class 3A UNF fine threads ensures reliable fastening in critical applications
• High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness withstands heavy loads
• Enhanced installation security through fully threaded design provides maximum grip along entire fastener length
• Low-profile rounded head design offers smooth appearance while maintaining structural integrity
• Full regulatory compliance meets ASME B18.3 standards and environmental regulations for global applications

Professional Applications & Engineering Value

This 10-32 UNF Class 3A rounded head tamper-resistant Torx screw delivers critical security and reliability for industrial applications where unauthorized access poses significant risks. The combination of 18-8 stainless steel material with passivated finish provides exceptional corrosion resistance in harsh environments, while the tamper-resistant T25 drive system prevents casual tampering in public facilities, electrical enclosures, and machinery guards. The Class 3A thread fit ensures precise engagement with mating components, reducing the risk of cross-threading in automated assembly processes. With 70,000 psi tensile strength and fully threaded design, these screws maintain clamping force under vibration and load variations, making them ideal for security panels, access controls, and precision equipment where reliability cannot be compromised.

Specification Summary & Compliance

This fastener features 10-32 UNF fine threads with Class 3A precision tolerance for superior thread engagement. Manufacturing complies with ASME B18.3 specifications for dimensional accuracy and performance. The screw meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) regulations regarding chemical safety. Additional specifications include right-hand thread direction, 3/8" length, and standardized rounded button head profile with 0.361" diameter for consistent installation across industrial applications.