S-90096A583 5/16"-18 x 1" ASME B18.6.3, SAE J933 Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Excellent thread-cutting capability with Type F design that creates precise mating threads in various materials without pre-tapping
• Enhanced torque transmission through external hex drive design for secure installation and removal
• Integrated flange design provides wider bearing surface for improved load distribution and vibration resistance
• Versatile material compatibility specifically engineered for aluminum, brass, cast iron, and sheet metal applications
• Reliable coarse UNC threading ensures quick installation and strong holding power in various substrates
• Full threading along entire shank delivers maximum engagement strength and consistent fastening performance

Professional Applications & Engineering Value

This zinc-plated steel flanged hex tapping screw delivers exceptional thread-cutting performance in demanding industrial applications. The Type F tapping screw design with coarse UNC threading eliminates the need for pre-tapped holes, significantly reducing installation time and labor costs in aluminum, brass, cast iron, and sheet metal assemblies. The external hex drive provides superior torque transmission during installation, while the integrated flange distributes clamping force evenly, preventing material deformation and ensuring long-term joint integrity. The zinc plating offers reliable corrosion protection, making these screws ideal for applications where environmental exposure is a concern. Engineered for heavy-duty fastening in manufacturing, automotive, and construction sectors, these screws maintain consistent performance across diverse material types.

Specification Summary & Compliance

This 5/16"-18 flanged hex tapping screw features UNC coarse thread with standard Class 2A tolerance for reliable fit and performance. Manufactured to meet ASME B18.6.3 specifications SAE J933, ensuring dimensional accuracy and mechanical properties. The screw is RoHS 3 (2015/863/EU) Compliant for environmental safety and regulatory compliance. Designed for use with K drill bit (0.281" diameter) for optimal thread engagement in various materials including aluminum, brass, cast iron, and sheet metal applications.