S-90086A151 6-32 x 3/4" 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 demanding industrial environments
• Excellent thread-cutting performance in aluminum, brass, cast iron, and sheet metal without requiring pre-tapped holes
• Secure fastening with maximum holding power through fully threaded design and coarse UNC thread pattern
• Easy installation and removal with Phillips No. 2 drive system that prevents cam-out during torque application
• Flush surface finish with standard 82° countersink angle and flat head design for smooth, professional appearances
• Reliable industrial compliance meeting ASME B18.6.3 specifications and RoHS 3 environmental standards
• Optimized for various material thicknesses with 3/4" length providing versatile application coverage

Professional Applications & Engineering Value

These 6-32 UNC thread cutting screws deliver exceptional engineering value in metal fabrication and assembly operations. The zinc-plated steel construction provides essential corrosion protection while maintaining high tensile strength for durable fastening joints. The Type F tapping screw design with blunt tip and coarse UNC threads creates precise, secure threads in aluminum, brass, cast iron, and sheet metal substrates without material cracking or stripping. The Phillips flat head configuration with 82° countersink ensures flush mounting in precision applications, eliminating protrusions that could interfere with adjacent components. This combination of thread cutting capability and industrial-grade materials solves critical assembly challenges by reducing installation time, eliminating tapping operations, and providing reliable, vibration-resistant connections in automotive, electrical enclosure, and machinery applications.

Specification Summary & Compliance

These tapping screws feature precise 6-32 UNC coarse threads with standard Class 2A tolerances for consistent fit and performance. The manufacturing process strictly adheres to ASME B18.6.3 specifications (SAE J933) ensuring dimensional accuracy and mechanical properties. Environmental compliance is maintained through RoHS 3 (2015/863/EU) compliance, confirming the absence of restricted hazardous substances. The screws are engineered with fully threaded shanks, 0.262" head diameter, and 3/4" length for standardized installation using No. 31 drill bits (0.12" diameter) as specified for optimal performance in designated materials.