S-95638A205 Length 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior tamper resistance with T15 Torx drive for enhanced security in public or restricted access applications
• Excellent corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and outdoor use
• Optimized thread forming design creates strong, permanent threads in sheet metal without pre-tapping requirements
• Full threading along 1-1/2" length provides maximum holding power and vibration resistance throughout the entire fastener
• Precision pointed tip ensures easy starting and proper alignment during installation in sheet metal up to 0.025" thickness
• Consistent performance with standardized No. 8-15 thread specification for reliable, repeatable installations
• Rounded button head profile offers a finished appearance while minimizing snagging in assembled applications

Professional Applications & Engineering Value

These 18-8 stainless steel tamper-resistant Torx tapping screws deliver exceptional value in sheet metal fabrication and assembly operations. The thread forming design eliminates the need for separate tapping operations, reducing installation time and labor costs while creating stronger, more reliable connections. The A/AB tapping screw type with right-hand threading and pointed tip ensures quick starts and smooth penetration through sheet metal substrates. Engineered for compatibility with standard No. 29 drill bits, these security screws provide ideal solutions for HVAC systems, electrical enclosures, machinery guards, and outdoor equipment where corrosion resistance and tamper-proof fastening are critical requirements. The combination of stainless steel material and tamper-resistant drive system makes these fasteners particularly valuable in public infrastructure, transportation, and industrial settings where vandalism or unauthorized access is a concern.

Specification Summary & Compliance

These No. 8-15 thread forming tapping screws feature a 0.164" thread diameter with 15 TPI (threads per inch) and comply with standard A/AB tapping screw specifications. The fully threaded 1-1/2" length provides consistent engagement while the rounded button head with 0.312" diameter offers a clean finished appearance. Manufactured from 18-8 stainless steel for corrosion resistance, these screws are designed for use in sheet metal applications with maximum drilling thickness of 0.025" when used with recommended No. 29 drill bit (0.136" diameter). The tamper-resistant Torx T15 drive system meets security fastening requirements while maintaining compatibility with standard installation tools.