S-93878A192 8-32 x 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
• Excellent thread-forming capability for secure, vibration-resistant fastening in steel, aluminum, brass, cast iron, and sheet metal without pre-tapping
• Optimized drive efficiency with Phillips No. 2 drive style, providing reliable torque transfer and reduced cam-out during installation
• Enhanced load distribution through UNC coarse threads and full threading, maximizing grip strength and pull-out resistance
• Consistent dimensional accuracy with Class 2A thread tolerances, ensuring precise fit and repeatable assembly performance
• Broad material compatibility for versatile use across multiple metals, reducing inventory needs for diverse applications
• Regulatory compliance assurance meeting RoHS 3 and REACH standards, supporting sustainable and safe manufacturing practices

Professional Applications & Engineering Value

These 8-32 zinc-plated steel tapping screws deliver exceptional engineering value by solving common fastening challenges in metal assemblies. The thread-forming design eliminates the need for separate tapping operations, reducing installation time and labor costs while creating strong, permanent threads in ductile materials like steel, aluminum, and brass. The UNC coarse threads provide superior resistance to vibration loosening, critical in automotive, machinery, and electronic enclosures. With a pan head profile and Phillips No. 2 drive, these screws offer flush seating and efficient driving in confined spaces. The zinc plating adds a protective barrier against corrosion, extending service life in humid or outdoor environments. Ideal for high-volume production lines, these fully threaded screws ensure consistent clamping force across the entire fastener length.

Specification Summary & Compliance

This product features UNC coarse threads with Class 2A tolerance standards, ensuring precise fit and reliable performance. The 8-32 thread size (0.164" diameter) with 5/16" length and 0.322" head diameter provides optimal dimensional consistency. Manufactured to industry standards for thread-forming tapping screws, these fasteners comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and regulatory adherence for industrial applications worldwide.