S-95638A251 Length 1 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Enhanced security with tamper-resistant T25 Torx drive that deters unauthorized removal in sensitive applications
• Superior corrosion resistance from 18-8 stainless steel construction for long-term reliability in harsh environments
• Excellent material grip through thread-forming technology that creates strong, permanent threads in sheet metal up to 0.025" thickness
• Streamlined installation with pointed tip and rounded button head profile for easy alignment and flush finishing
• Optimized compatibility with standard No. 21 drill bit (0.159" diameter) for precise, efficient hole preparation
• Reliable performance with fully threaded No. 10-12 design providing consistent engagement across the entire 1-1/2" length
• Industry-standard compliance with A/AB tapping screw specifications for guaranteed interchangeability and performance

Professional Applications & Engineering Value

This tamper-resistant Torx T25 tapping screw delivers critical security and durability for sheet metal applications where vandalism or unauthorized access is a concern. The 18-8 stainless steel construction provides exceptional corrosion resistance, making it ideal for outdoor equipment, electrical enclosures, and HVAC systems exposed to moisture and chemicals. The thread-forming technology eliminates the need for pre-tapped holes while creating stronger, more reliable threads that won't strip or loosen under vibration. The combination of right-hand threading and 12 TPI pitch ensures optimal engagement in thin materials up to 0.025" maximum thickness, while the rounded button head offers a clean, professional appearance with reduced snagging hazards in industrial settings.

Specification Summary & Compliance

This No. 10-12 x 1-1/2" tapping screw features precision thread forming technology with 0.19" thread diameter and complies with A/AB type standards for sheet metal applications. Manufactured to exacting dimensional tolerances with fully threaded design and right-hand thread direction. The 18-8 stainless steel material meets industry corrosion resistance standards, while the tamper-resistant Torx T25 drive provides enhanced security features. Compatible with standard No. 21 drill bit (0.159" diameter) for proper installation in materials up to 0.025" maximum thickness.