S-92365A478 Length 2 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding industrial environments
• Efficient self-drilling capability with specialized drill tip that penetrates up to 0.22" thickness, eliminating pre-drilling requirements
• Optimal thread forming performance through BSD standard design that creates strong, permanent threads in steel and sheet metal
• Enhanced driving stability with No. 3 Phillips drive and flat head design that provides secure installation and flush finishing
• Maximum holding power achieved through fully threaded design that ensures complete engagement along the entire 2-1/4" length
• Professional flush mounting enabled by 82° countersink angle that allows the flat head to sit perfectly flush with material surfaces
• Reliable material compatibility specifically engineered for steel and sheet metal applications with right-hand thread direction

Professional Applications & Engineering Value

These 1/4"-14 zinc-plated steel tapping screws deliver exceptional engineering value by solving critical installation challenges in metal fabrication and construction. The thread forming design creates permanent, high-strength threads without material removal, preventing metal fatigue while maintaining structural integrity. The specialized drill tip eliminates secondary drilling operations, significantly reducing labor time and costs in steel and sheet metal assembly. With zinc plating providing reliable corrosion protection and the Phillips flat head ensuring clean, flush installations, these BSD standard screws offer comprehensive solutions for HVAC systems, metal framing, industrial equipment, and structural applications where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 1/4"-14 thread specification and Class 2A thread tolerance for consistent performance. These tapping screws comply with BSD standard requirements for thread forming applications and feature fully threaded design for maximum engagement. The zinc-plated steel construction meets industry standards for corrosion resistance, while the 82° countersink angle and standard flat head profile ensure proper seating in prepared applications. Suitable for use in steel and sheet metal up to 0.22" thickness, these industrial fasteners are manufactured to meet quality specifications for reliable performance in demanding environments.