S-91655A294 Length 3/4" 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 thread forming design creates strong, permanent threads in sheet metal without requiring pre-tapped holes
• Enhanced driving stability with No. 3 square drive that prevents cam-out and provides secure torque transmission
• Increased bearing surface from the flanged pan head design distributes load evenly and eliminates the need for separate washers
• Optimal material penetration with pointed tip and fully threaded shank ensures maximum holding power in sheet metal up to 0.025" thickness
• Precise installation compatibility with standard 3/16" drill bits simplifies assembly processes and reduces tooling requirements
• Reliable fastening performance with A/AB thread forming specification ensures consistent results across multiple applications

Professional Applications & Engineering Value

These No. 12 zinc-plated steel thread forming tapping screws deliver exceptional value in sheet metal fabrication and assembly operations. The thread forming design eliminates the time-consuming process of tapping holes while creating stronger, more reliable threads that resist vibration loosening. The flanged pan head provides a wide bearing surface that prevents pull-through in thin gauge materials, making them ideal for HVAC systems, electrical enclosures, and automotive components. With 0.216" thread diameter and 11 threads per inch, these screws offer optimal grip strength while the zinc plating provides essential corrosion protection for industrial environments. The combination of square drive and fully threaded construction ensures quick installation and maximum holding power in challenging sheet metal applications.

Specification Summary & Compliance

These tapping screws feature precision 0.216" thread diameter with 11 threads per inch in right-hand orientation, conforming to standard thread specifications. The 3/4" length and flanged pan head design meet industrial requirements for sheet metal fastening applications. Manufactured to A/AB thread forming standards with compatibility for 3/16" drill bits and maximum drilling thickness of 0.025". The zinc-plated steel construction provides corrosion resistance while meeting industry standards for mechanical fasteners in metalworking applications.