S-90086A146 6-32 x 3/8" ASME B18.6.3, SAE J933 Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding industrial environments
• Efficient self-tapping installation with Type F thread cutting design, eliminating the need for pre-tapped holes in materials like aluminum and sheet metal
• Enhanced driving stability through No. 2 Phillips drive and standard flat head profile, reducing cam-out and improving torque transfer
• Reliable coarse thread engagement with UNC 6-32 threading, providing strong holding power in softer materials and faster installation
• Optimized material compatibility with fully threaded blunt tip design, specifically engineered for aluminum, brass, cast iron, and sheet metal applications
• Precise countersinking capability with 82° head angle, ensuring flush mounting and professional finish in assembled components
• Industry-standard compliance meeting ASME B18.6.3 specifications and RoHS 3 environmental regulations for quality assurance

Professional Applications & Engineering Value

These 6-32 UNC zinc-plated steel tapping screws deliver exceptional engineering value by addressing common fastening challenges in metal fabrication and assembly. The thread cutting design (Type F) with coarse UNC threading enables reliable installation without pre-tapping, significantly reducing assembly time and labor costs in aluminum, brass, cast iron, and sheet metal applications. The zinc-plated steel construction provides essential corrosion protection for extended service life in industrial environments, while the No. 2 Phillips drive ensures secure tool engagement during high-torque installation. The combination of fully threaded blunt tip and standardized 82° countersink angle guarantees proper seating and flush mounting, eliminating protrusions that could interfere with mechanical operations or compromise safety in finished products.

Specification Summary & Compliance

These tapping screws feature precise 6-32 UNC coarse thread with 0.138" thread diameter and fully threaded right-hand design. The flat head configuration with standard profile and 82° countersink angle ensures proper seating in prepared holes. Manufacturing complies with ASME B18.6.3 specifications (SAE J933) for dimensional accuracy and performance standards. Environmental compliance is maintained through RoHS 3 (2015/863/EU) compliance, ensuring restricted substance-free components for global industrial applications. Recommended drill bit size No. 31 (0.12" diameter) provides optimal hole preparation for the thread cutting action in specified materials.