S-90086A616 8-32 x 1" 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
- Self-tapping efficiency: Thread-cutting design eliminates pre-tapping needs, saving installation time in aluminum, brass, cast iron, and sheet metal.
- Corrosion-resistant zinc plating: Extends service life by protecting against rust in demanding industrial environments.
- Secure Phillips No. 2 drive: Ensures reliable torque transfer and reduces cam-out risk during high-speed assembly.
- Optimized flat head with 82° countersink: Provides a flush, professional finish that minimizes snagging in assembled products.
- Coarse UNC threading: Enhances grip and pull-out resistance in softer materials like sheet metal and cast alloys.
- Full-threaded 1" length: Maximizes holding power across the entire fastener engagement for superior joint integrity.
- Standard-compliant reliability: Manufactured to ASME B18.6.3 specifications, ensuring consistent quality and dimensional accuracy.
Professional Applications & Engineering Value
These 8-32 UNC thread cutting screws are engineered to address common challenges in metal fabrication and assembly. The zinc-plated steel construction provides essential corrosion protection for longevity in humid or outdoor settings. Their thread-cutting F-type design allows direct installation into pre-drilled holes (using a No. 26 drill bit) without tap requirements, significantly reducing labor time in high-volume production. The coarse UNC thread spacing and fully threaded shank ensure maximum resistance to vibration loosening in aluminum, brass, cast iron, and sheet metal applications—from electrical enclosures to machinery frames. The flat head with standard 82° countersink seamlessly integrates into beveled holes, maintaining surface flatness for safety and aesthetics.
Specification Summary & Compliance
These screws feature UNC coarse threads with standard Class 2A fit, ensuring broad compatibility. Manufacturing adheres to ASME B18.6.3 dimensional and mechanical specifications. The product is RoHS 3 (2015/863/EU) Compliant, meeting environmental regulations for hazardous substance restrictions. Designed for use with a No. 26 drill bit (0.147" diameter) and 82° countersink angle, they provide precise installation in accordance with industry standards.
