S-90190A107 Length 5/16" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding industrial environments
• Efficient thread forming capability creates strong, permanent threads in sheet metal up to 0.025" thickness without pre-tapping
• Quick installation with Phillips No. 1 drive and pointed tip design for easy starting and reduced assembly time
• Maximum holding power through fully threaded design that provides complete engagement along the entire fastener length
• Reliable fastening performance with standard pan head profile offering excellent drive stability and consistent torque transmission
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe, sustainable manufacturing practices
• Precision compatibility with No. 44 drill bit (0.086" diameter) for perfect fit and optimal thread formation in sheet metal applications

Professional Applications & Engineering Value

These No. 4-24 thread forming screws deliver exceptional engineering value in sheet metal fabrication and assembly operations. The zinc-plated steel construction provides essential corrosion protection while maintaining high tensile strength for reliable fastening in HVAC systems, electrical enclosures, and automotive components. The thread forming design eliminates the need for separate tapping operations, reducing production time and costs while creating strong, vibration-resistant connections. The Phillips pan head configuration ensures secure drive engagement and consistent torque application, preventing cam-out during high-volume assembly. With right-hand threading and pointed tip, these screws facilitate quick alignment and penetration in metalworking applications up to 0.025" thickness, making them ideal for production lines requiring efficiency and reliability.

Specification Summary & Compliance

This thread forming tapping screw features precise No. 4-24 thread specifications with 24 threads per inch and 5/16" length, manufactured to exacting dimensional standards for consistent performance. The fastener complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in various industrial applications. Designed specifically for sheet metal fastening with recommended No. 44 drill bit (0.086" diameter), this Type A/AB tapping screw provides reliable thread formation and secure fastening in metal fabrication projects.