S-94059A305 Length 3" Tapping Screws

Key Features & Benefits at a Glance

• Corrosion-resistant zinc plating extends service life in harsh industrial environments
• Integrated steel/rubber sealing washer creates reliable weather and vibration-proof seals
• Self-drilling tip design eliminates pre-drilling requirements, saving installation time and labor costs
• Thread forming technology creates stronger, more durable threads in steel and sheet metal
• External hex drive provides superior torque transmission for secure fastening
• Full 3" threading ensures maximum grip length and holding power in thick materials
• Heavy-duty construction withstands demanding applications with drilling capacity up to 0.187" thickness

Professional Applications & Engineering Value

These No. 12 zinc-plated steel tapping screws deliver exceptional engineering value in steel and sheet metal applications where reliability is critical. The thread forming BSD design creates permanent, high-strength threads without chip formation, eliminating contamination risks in sensitive equipment. The combination of steel/rubber sealing washer and fully threaded 3" length provides both environmental protection and maximum pull-out resistance. The integrated drilling tip penetrates up to 0.187" thickness, streamlining installation in structural frameworks, HVAC systems, and industrial machinery where time efficiency and joint integrity are paramount for operational success.

Specification Summary & Compliance

Manufactured to precise inch system specifications with 0.216" thread diameter and 14 TPI thread pitch. Features Class 2A thread tolerances for consistent performance and BSD tapping screw standards compliance. The external hex drive and flat washer configuration meet industrial fastening requirements. Constructed from zinc-plated steel with steel/rubber composite washer materials, ensuring compatibility with standard industrial applications and environmental regulations.