S-90055A146 Length 3/8" 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 action with Type B design creates strong, permanent threads in sheet metal without chip removal
• Optimal flush installation with standard 82° flat head profile and Phillips No. 2 drive for clean, secure fastening
• Maximum material engagement through fully threaded design ensures superior holding power across the entire fastener length
• Simplified installation process with precise No. 32 drill bit compatibility (0.116" diameter) for accurate hole preparation
• Reliable right-hand threading provides consistent, predictable fastening performance in high-volume applications
• Environmental compliance assurance with RoHS 3 certification for sustainable manufacturing practices

Professional Applications & Engineering Value

These zinc-plated steel tapping screws deliver exceptional performance in sheet metal applications where vibration resistance and permanent fastening are critical. The thread forming Type B design eliminates chip formation during installation, preventing contamination in sensitive electrical enclosures and precision assemblies. The Phillips flat head with 82° countersink angle ensures flush mounting while the fully threaded construction provides maximum thread engagement across the entire 3/8" length. Engineered for industrial durability, these screws maintain structural integrity under stress and corrosion, making them ideal for HVAC systems, electrical cabinets, and automotive components where reliable, long-term fastening solutions are essential.

Specification Summary & Compliance

This No. 6-20 thread forming screw features precise inch system measurements with 0.138" thread diameter and 20 threads per inch. Manufactured to industry standards for Type B thread forming screws with standard flat head profile and right-hand threading. The product complies with RoHS 3 (2015/863/EU) environmental regulations and is designed for use with No. 32 drill bits (0.116" diameter) for optimal hole preparation in sheet metal applications.