S-90390A133 3/8"-16 x 2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-phosphate steel construction for extended service life in harsh industrial environments
• Enhanced torque transmission through T40 Torx drive design, reducing cam-out and tool slippage during installation
• Efficient thread cutting action with Type F tapping design creates precise threads in aluminum, brass, cast iron and sheet metal without pre-tapping
• Optimal flush mounting with standard flat head profile and 82° countersink angle for clean, professional finishes
• Reliable fastening performance through fully threaded 3/8"-16 UNC coarse thread design ensuring maximum holding power
• Versatile material compatibility specifically engineered for multiple industrial substrates including non-ferrous metals and sheet applications
• Precision dimensional control with consistent 2" length and standardized thread specifications for uniform installation results

Professional Applications & Engineering Value

These heavy-duty tapping screws address critical industrial fastening challenges where traditional fasteners fail. The black-phosphate steel construction provides essential corrosion protection in demanding environments, while the T40 Torx drive ensures maximum torque transfer without stripping. The thread cutting design and Type F tapping screw configuration eliminate the need for pre-tapped holes, significantly reducing installation time and labor costs in aluminum, brass, cast iron, and sheet metal applications. The 82° countersink angle and flat head profile create seamless finishes in precision assemblies, making these 3/8"-16 UNC coarse thread screws ideal for manufacturing, metal fabrication, and industrial equipment maintenance where reliability and efficiency are paramount.

Specification Summary & Compliance

Manufactured to precise dimensional standards with UNC coarse thread specifications and Class 2A thread tolerances for consistent performance. These Type F thread cutting screws comply with industry-standard manufacturing specifications for tapping fasteners. The black-phosphate surface treatment meets industrial corrosion resistance requirements, while the standardized 82° countersink angle ensures proper seating in prepared holes. All materials and manufacturing processes adhere to relevant industrial fastener standards and compliance requirements for professional applications.