S-90086A197 8-32 x 3/4" ASME B18.6.3, SAE J933 Tapping Screws

Key Features & Benefits at a Glance

• Self-tapping design eliminates the need for pre-tapped holes, reducing installation time and labor costs in aluminum, brass, cast iron, and sheet metal applications.
• Durable zinc-plated steel construction provides excellent corrosion resistance, ensuring long-term reliability in various industrial environments.
• Coarse UNC thread pattern offers superior holding power and faster installation compared to fine threads, ideal for softer materials.
• Phillips flat head design allows for a flush finish when installed, improving aesthetics and safety by preventing snagging.
• Fully threaded shank maximizes grip and load distribution along the entire fastener length, enhancing joint integrity.
• Compliance with ASME B18.6.3 standards guarantees consistent quality, dimensional accuracy, and reliable performance in demanding applications.
• RoHS 3 compliance ensures the product is free from hazardous substances, making it suitable for use in regulated industries and export markets.

Professional Applications & Engineering Value

These Type F tapping screws are engineered to solve common assembly challenges in metalworking and fabrication. The thread-cutting design and coarse UNC thread enable easy installation into materials like aluminum, brass, cast iron, and sheet metal without pre-tapping, significantly reducing production time and tooling requirements. The zinc-plated steel material provides a protective barrier against rust and corrosion, extending the service life of assemblies in humid or outdoor environments. With a standard flat head profile and Phillips drive, these screws ensure a secure, flush fit that minimizes protrusion risks in machinery, enclosures, and structural components. This combination of features delivers reliable, high-strength fastening for industrial applications where efficiency and durability are critical.

Specification Summary & Compliance

This screw features an 8-32 UNC coarse thread with a right-hand direction and fully threaded shank, ensuring precise engagement and holding power. It is designed for use with a No. 26 drill bit (0.147" diameter) and complies with ASME B18.6.3 specifications for dimensional accuracy and performance. The product is also RoHS 3 (2015/863/EU) Compliant, meeting environmental regulations for hazardous substance restrictions.