S-91870A713 6-32 x 1 1/2" ASME B18.3 Tamper-Resistant Torx Stainless Steel Flat Head Screws

Key Features & Benefits at a Glance

• Enhanced tamper resistance with specialized Torx T15 drive design to prevent unauthorized access in secure environments
• Superior corrosion protection through 18-8 stainless steel construction and passivated surface treatment for extended service life
• Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Precision thread engagement with Class 3A UNC coarse threading ensuring reliable fastening and vibration resistance
• Optimal flush mounting featuring standard 82° countersink angle for seamless surface integration
• Full-threaded design providing maximum grip length and load distribution across the entire fastener
• Regulatory compliance assurance meeting ASME B18.3 standards and environmental regulations for global industrial use

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 6-32 flat head screws with tamper-resistant Torx drive address critical security and reliability challenges. The 18-8 stainless steel composition combined with passivated finish creates a robust barrier against corrosion, chemicals, and environmental degradation, making them ideal for outdoor equipment, marine applications, and harsh manufacturing settings. The Class 3A thread fit and coarse UNC threading ensure rapid installation and superior vibration resistance in machinery, electronic enclosures, and structural assemblies. The 82° countersink angle provides flush mounting for safety-critical applications where protrusions must be eliminated, while the fully threaded design maximizes clamping force in thin materials and sheet metal applications.

Specification Summary & Compliance

This 1-1/2" flat head screw features precision 6-32 UNC coarse threads with Class 3A fit for superior dimensional accuracy and engagement. Manufacturing complies with ASME B18.3 specifications for consistent quality and performance. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. Mechanical properties include 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance in demanding applications.