S-90065A224 Length 2 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction for long-lasting performance in harsh environments
• Perfect flush installation achieved through the 82° countersink angle and flat head design for smooth, professional finishes
• Exceptional holding power thanks to thread forming technology that creates strong, permanent threads in sheet metal
• Quick and easy installation requiring only a 3/16" drill bit, reducing labor time and tooling requirements
• Full-length threading provides maximum grip along the entire 2-1/4" length for enhanced fastening security
• Reliable Phillips drive (No. 3 size) ensures secure tool engagement and prevents cam-out during installation
• Optimized for sheet metal applications with Type A thread forming design that eliminates the need for separate tapping operations

Professional Applications & Engineering Value

These 18-8 Stainless Steel Phillips Flat Head Tapping Screws deliver exceptional engineering value in sheet metal fabrication and industrial assembly. The thread forming technology creates precise, tight-fitting threads that eliminate material displacement issues common in thin metal applications. The 82° countersink angle ensures perfect flush mounting, preventing snagging while maintaining structural integrity. Made from corrosion-resistant 18-8 stainless steel, these screws withstand environmental challenges in HVAC systems, electrical enclosures, and outdoor equipment. The fully threaded design with 11 threads per inch provides superior pull-out resistance, making them ideal for high-vibration environments where fastener security is critical.

Specification Summary & Compliance

This No. 12 x 2-1/4" Phillips Flat Head Tapping Screw features precise dimensional accuracy with 0.216" thread diameter and 11 threads per inch following standard inch measurements. The screw conforms to Type A thread forming specifications with right-hand threading and standard flat head profile. Manufactured from premium 18-8 Stainless Steel, these fasteners meet industry standards for corrosion resistance and mechanical properties. The product is designed for use with 3/16" drill bits and features a pointed tip for easy starting in sheet metal applications, ensuring consistent performance and reliable installation in professional metalworking operations.