S-90197A205 Length 2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding industrial environments
• High-torque installation capability through external hex drive design that prevents cam-out and ensures secure fastening
• Efficient thread forming action creates strong, permanent threads in sheet metal without chip removal
• Enhanced load distribution from integrated flange design that eliminates the need for separate washers
• Quick-start penetration with needle point tip that reduces installation time and improves alignment accuracy
• Optimized material compatibility with 0.136" drill bit size recommendation for precise hole preparation in sheet metal up to 0.05" thickness
• Reliable thread engagement through 15 TPI precision threading that maintains consistent clamping force

Professional Applications & Engineering Value

These No. 8 x 2" zinc-plated steel tapping screws deliver exceptional performance in sheet metal fabrication and assembly operations. The thread forming design eliminates common issues with traditional tapping methods by creating stronger, more durable threads through material displacement rather than cutting. This results in improved resistance to vibration loosening and higher pull-out strength in thin-gauge materials. The external hex drive system provides superior torque transmission compared to Phillips or slotted drives, reducing installation time while preventing driver slippage that can damage fastener heads. With full threading along the entire 2" length, these flanged screws offer maximum adjustability and clamping force distribution across the entire fastened joint, making them ideal for HVAC systems, electrical enclosures, and metal framing applications where reliability is critical.

Specification Summary & Compliance

This thread forming tapping screw features precise 0.164" thread diameter with 15 TPI threading and complies with standard inch measurement specifications. The manufacturing process ensures consistent dimensional accuracy for reliable performance in industrial applications. These fasteners are certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental regulations for hazardous substance restrictions while maintaining the mechanical properties required for demanding sheet metal fastening applications.