S-91655A206 Length 2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Enhanced torque transmission through No. 2 square drive design, preventing cam-out and ensuring secure fastening
• Efficient thread-forming installation creates strong, permanent threads in sheet metal without requiring pre-tapped holes
• Flanged pan head design provides wider bearing surface for improved load distribution and vibration resistance
• Full threading with pointed tip enables faster penetration and consistent holding power along the entire 2" length
• Precision compatibility with No. 29 drill bit (0.136" diameter) simplifies installation and ensures proper fit in 0.025" maximum thickness materials
• Optimized 15 threads per inch delivers balanced engagement strength and installation efficiency in sheet metal applications

Professional Applications & Engineering Value

Engineered specifically for sheet metal fastening challenges, these zinc-plated steel tapping screws solve critical installation and durability concerns in industrial settings. The thread-forming A/AB screw type eliminates the need for separate tapping operations, significantly reducing assembly time while creating stronger, more reliable threads that resist loosening under vibration. The flanged pan head with No. 2 square drive provides exceptional torque resistance during installation, preventing tool slippage that can damage work surfaces. With 0.164" thread diameter and fully threaded design, these screws maintain consistent clamping force across the entire engagement length, making them ideal for HVAC systems, electrical enclosures, metal fabrication, and construction applications where reliable metal-to-metal fastening is critical.

Specification Summary & Compliance

This No. 8-15 x 2" tapping screw features precision right-hand threads with industry-standard thread forming specifications (A/AB type) and Class 2A thread fit for reliable performance. Manufactured to meet rigorous industrial standards for dimensional accuracy, the screw ensures proper engagement with recommended No. 29 drill bit size (0.136" diameter). The zinc-plated steel construction provides corrosion protection while maintaining compliance with industrial fastening requirements. Product conforms to relevant mechanical property specifications for sheet metal fasteners and meets industry standards for dimensional consistency and performance in metalworking applications.