S-90086A602 2-56 x 3/16" ASME B18.6.3, SAE J933 Tapping Screws
Tapping Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding industrial environments
- Excellent material compatibility with thread-cutting design that creates strong, permanent threads in aluminum, brass, cast iron, and sheet metal
- Optimized drive performance featuring No. 1 Phillips drive for secure installation and reduced cam-out risk
- Enhanced flush mounting with flat undercut head design that sits perfectly flush with material surfaces at 82° countersink angle
- Maximum holding power through fully threaded shank design that provides superior grip along the entire fastener length
- Reliable coarse threading with UNC 2-56 threads for faster installation and reduced cross-threading in various materials
- Industry-standard compliance meeting ASME B18.6.3 specifications and RoHS 3 environmental regulations
Professional Applications & Engineering Value
These zinc-plated steel tapping screws with 2-56 UNC coarse threading deliver exceptional engineering value in metal fabrication and assembly operations. The Type F thread-cutting design eliminates the need for pre-tapped holes, significantly reducing installation time and labor costs while creating precise, durable threads in aluminum, brass, cast iron, and sheet metal applications. The flat undercut head provides a clean, flush finish that prevents snagging and maintains aerodynamic surfaces. With full threading and optimized 82° countersink angle, these screws distribute clamping force evenly, preventing material distortion and ensuring vibration-resistant connections in industrial equipment, electronic enclosures, and automotive components.
Specification Summary & Compliance
Manufactured to precise Class 2A thread tolerances with UNC coarse thread profile (2-56 size) and 3/16" length. These Type F tapping screws comply with ASME B18.6.3 mechanical specifications and SAE J933 standards. The products are RoHS 3 (2015/863/EU) Compliant for environmental safety and feature zinc-plated steel construction with No. 1 Phillips drive and flat undercut head design for consistent performance across industrial applications.
